“hives all over my body -medicine for hives”

Unfortunately there are no known specific therapies for HUV. The regime of prescription steroids and other immunosuppressive drugs aims to dampen the body’s production of anti-C1q antibodies.[3] However, this again renders the individual immunocompromised.
Jump up ^ Bito, Toshinori; Sawada, Yu; Tokura, Yoshiki (2012). “Pathogenesis of Cholinergic Urticaria in Relation to Sweating”. Allergology International. 61 (4): 539–44. doi:10.2332/allergolint.12-RAI-0485. PMID 23093795.
Stress hives are red, raised swollen areas and bumps (AKA stress bumps) that appear on your skin, that develop due to too much stress or anxiety in your life. Stress hives can itch like crazy, giving you the feeling like ants or spiders are crawling over your skin. The only way to get rid of your stress hives is to remove all the stress and anxiety form your life. Because this is a near impossibility for most people, there is one stress hives treatment, known as OxyHives, that can be taken that reduces the swelling and itchy feeling within 2 hours.
Foods that are fermented such as cheese, vinegar and alcoholic beverages also produce histamine and should be cut out of your daily diet. Some people may be allergic to additives and artificial colorings so over-processed and junk foods need to be avoided as well.
This antibiotic is available topically and as an oral medication. This medication can treat inflammation caused by hives or other skin conditions caused by bacterial infection. It’s important to take all antibiotics prescribed.
The majority of stinging insects in the United States are from bees, yellow jackets, hornets, wasps, and fire ants. Severity of reactions to stings varies greatly. Avoidance and prompt treatment are essential. In selected cases, allergy injection therapy is highly effective.
Angioedema is a reaction similar to urticaria except there is no redness or itchiness and that it occurs in deeper tissue and is characterised by asymmetrical swelling of tissue. Angioedema is frequently associated with urticaria but the two may occur independently. Itoccurs in around 1 in 3 people with urticaria. Angioedema is not always itchy and can sometimes be painful.
While many of us might be familiar with hives and allergic reactions in generally, many more of us are unfamiliar with exactly what causes them. Hives and angioedema form when histamine, or blood plasma, begins to leak out of the small blood vessels in the skin. Allergic reactions to certain foods, insect bights, medication or even sunlight exposure can all cause a release of histamine, but nonetheless, the root cause for many hive formations is still unknown.
Unusual, recurrent, or persistent cases warrant further evaluation. Referral for allergy skin testing should be done, and routine laboratory tests should consist of CBC, blood chemistries, liver function tests, and thyroid-stimulating hormone (TSH). Further testing should be guided by symptoms and signs (eg, of autoimmune disorders) and any abnormalities on the screening tests (eg, hepatitis serologies and ultrasonography for abnormal liver function tests; ova and parasites for eosinophilia; cryoglobulin titer for elevated liver function tests or elevated creatinine; thyroid autoantibodies for abnormal TSH).
Urticaria is caused by vasodilation and increased permeability of capillaries of the skin due to the release by mast cells of vasoactive mediators. The mast cell degranulation is due to an immunoglobulin E–mediated reaction to allergens (e.g., foods, drugs, or drug additives), heat, cold, and, rarely, infections or emotions. Urticaria is a primary sign of local and systemic anaphylactic reactions. It affects people of all ages but is most common between the ages 20 and 40. Angioedema is frequently associated with urticaria.
Hormonal causes via endocrine tumors or ovarian pathology are rare. Oral contraceptive use or changes in the menstrual cycle have been reported as a possible cause of urticaria: patients commonly report worsening of hives with the menstrual cycle. This may be hormonally mediated, and the cyclical use of analgesics should also be considered as a possible etiology.
Infections and Infestations: Insect bites, frequent fungal and bacterial infections of the urinary tract, viral infections like hepatitis, worm infestations such as tapeworms and round worms can cause acute allergies.
If you have a bad allergic reaction, like shortness of breath, talk to your doctor about a prescription medicine called an “auto-injector.” This medicine stops the allergic reaction when you inject it into your thigh. Follow your doctor’s advice on how to use this medicine.
Your allergist may want to conduct skin tests, blood tests and urine tests to identify the cause of your hives. If a specific food is the suspected trigger, your allergist may do a skin-prick test or a blood test to confirm the diagnosis; once the trigger is identified, you’ll likely be advised to avoid that food and products made from it. In rare instances, the may recommend an oral food challenge – a carefully monitored test in which you’ll eat a measured amount of the suspected trigger to see if hives develop. If a medication is suspected as the trigger, your allergist can conduct similar tests, and a cautious drug challenge – similar to an oral food challenge, but with medications – may also be needed to confirm the diagnosis. Because of the possibility of anaphylaxis, a life-threatening allergic reaction, these challenge tests should be done only under strict medical supervision, with emergency medication and equipment at hand.

“hives on legs only urticaria cold induced”

Weals are due to release of chemical mediators from tissue mast cells and circulating basophils. These chemical mediators include histamine, platelet-activating factor and cytokines. The mediators activate sensory nerves and cause dilation of blood vessels and leakage of fluid into surrounding tissues. Bradykinin release causes angioedema.
Try deep breathing techniques. Deep breathing techniques have been shown to help reduce stress. Start by lying flat on your back. Use pillows under your knees and neck to make sure you are comfortable. Put your hands, palm down, on your stomach right below the rib cage. Place the fingers of your hands together so you can feel them separate and know you are doing the exercise correctly. Take a long, slow deep breath by expanding your belly, breathing like a baby breathes, meaning from the diaphragm. Your fingers should separate as they lie on your belly.
Urticaria typically looks like a raised rash that may be a normal skin colour or pinkish or red in colour. The rash may occur anywhere on the body and often starts off as small round spots that quickly enlarge and spread.
Though we may not fight wild animals anymore, there are still “wild animals” facing us daily in the form of arguments, a phone that won’t stop ringing, and perpetually full in-boxes. Now when you add miserable allergy symptoms, you’ve got a recipe for disaster — unless you take time to do something for stress relief.
In patients with very severe acute urticaria, associated possibly with angioedema or systemic symptoms, a short course of oral steroids is indicated. Dose and duration of the treatment is determined by the patient’s weight and clinical response. Prolonged courses of oral steroids for chronic urticaria should be avoided whenever possible, and if long-term steroid treatment is considered necessary, the patient should be followed-up regularly and prescribed prophylactic treatment against steroid-induced osteoporosis at an early stage [56]. Oral steroids may be needed for urticarial vasculitis (see below) or severe delayed pressure urticaria.
In this rare form of physical urticaria, hives occur after exposure to the sun or to certain artificial light sources. It is believed that the condition is an allergic reaction to an antigen formed by the interaction of light waves on the skin. Antihistamines are helpful to relieve the itch.
Hive-like rashes commonly accompany viral illnesses, such as the common cold. They usually appear three to five days after the cold has started, and may even appear a few days after the cold has resolved.
Patients with chronic urticaria that has failed to respond to maximum-dose second generation oral antihistamines taken for 4 weeks should be referred to a dermatologist, immunologist or medical allergy specialist.
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If Aspirin & Salicylate intolerance is suspected then all forms of Salicylate including toothpaste, muscle rubs and peppermints should also be avoided. Aspirin sensitive individuals tolerate the newer Cyclo-oxygenase-2 selective inhibitors or COX-2 anti-inflammatory (NSAI) medications such as Celecoxib and Meloxicam.
If the cause cannot be identified, even after a detailed history and testing, the condition is called chronic idiopathic urticaria. (“Idiopathic” means “unknown.”) About half these cases are associated with some immune findings. Chronic hives may also be associated with thyroid disease, other hormonal problems or, in very rare instances, cancer. Even this condition usually dissipates over time.
If the cause of the urticaria is known or suspected, such as a food or medication, avoidance of this trigger may resolve the symptoms. In cases of chronic idiopathic urticaria, triggers such as acute infections of any kind (such as the common cold), stress, and use of non-steroidal anti-inflammatory medications (aspirin and ibuprofen, for example), may trigger the symptoms.
When we’re exposed to a stressful situation, our bodies prepare for confrontation. This “fight or flight” response is controlled by our hormones and nervous system and dates back to prehistory, as we prepared to fight or flee our stressor.
Q. I was diagnosed with chronic urticaria. What is the reason for this condition? I was diagnosed with chronic urticaria last week after more than two months of urticaria (I have more than twenty 1 dollar coin area no my trunk that are red swollen and itchy). when I was younger I had a similar reaction too a bee sting and I was treated with an adrenalin shoot. Since that one time I never suffered from this kind of symptoms till two months ago. What can be the reason for this condition?
Remedy for recurrent hives: How to stop Horrible Reoccuring Hives? Now over 18 days of no Relief from Claritin or Benedryl meds. No Relief from Cornstarch/Epson salts Baths, Calmine, Caladryl, or Aloe, Stop Itch, Cortisone Rubs or any over the counter!

“treatment for cholinergic urticaria what do hives come from”

Research shows that up to 50% of people with CIU continue to have hives after treatment with antihistamines. Omalizumab, which is injected under the skin, has been shown to relieve the itch and clear hives in some people with CIU. In one research study, 36% of patients treated with omalizumab reported no itch and no hives after treatment.
Urticaria is a skin condition commonly known as hives. It produces an itchy rash that tends to come and go and can last for a variable period of time. The condition can be acute (lasting less than 6 weeks) or chronic (lasting longer than 6 weeks). Most cases of urticaria have no known cause.
The Hives completed recording vocals and guitar in late November 2006 for a song called “Throw It On Me”, a collaboration with hip-hop producer Timbaland. The song was included on his album, Timbaland Presents Shock Value, released on 3 April 2007. They also performed in a music video for the track. The Hives also have recently spoken of a collaboration with Jack White’s the Raconteurs on a song for their new album, originally entitled “Footsteps”, however it was later revealed that Howlin’ Pelle had literally recorded footsteps. Howlin’ Pelle also did a collaboration with Swedish rock artist Moneybrother, a cover of an Operation Ivy song “Freeze Up”. They used Swedish lyrics and called it “Jag skriver inte på nått”, which translates as “I Won’t Sign Anything”.
Quercetin and evening primrose are two supplements for hives that will calm and get rid of your hives faster. (19) Quercetin is a natural antihistamine and an anti-inflammatory. Test tube studies have revealed that quercetin prevents immune cells from releasing histamines, which cause allergic reactions like hives. (20) Other studies have also shown that quercetin, a natural medicine and phytochemical, is as effective at fighting allergies as some prescription medications, all with little to no side effects. (21) Other supplement recommendations include vitamin B12, vitamin C, vitamin D and fish oil. (22)
Dermatographism: This is the ability to ‘write on the skin’. If the skin is stroked firmly with a solid object a characteristic wheal and flare reaction occurs. You would be able to read what was “written” on the skin for a prolonged period time.
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It occurs in both men and women, but appears to be more common in men than women. The condition tends to first appear in people aged between 10 and 30 years and persists for a number of years before it becomes less severe or goes away altogether. The natural course of cholinergic urticaria is quite variable, with most patients experiencing slow resolution over several years.
Physical urticaria: Hives caused by direct physical stimulation of the skin — for example, cold, heat, sun exposure, vibration, pressure, sweating, and exercise. The hives usually occur right where the skin was stimulated and rarely appear elsewhere. Most of the hives appear within one hour after exposure.
The most common food allergies are to eggs, nuts, milk, peanuts, fish, shellfish, strawberries and tomatoes. Symptoms and signs include nausea, vomiting, diarrhea, abdominal pain, itching, hives, eczema, asthma, lightheadedness, and anaphylaxis. Allergy skin tests, RAST, and ELISA tests may be used to diagnose a food allergy. Though dietary avoidance may be sufficient treatment for mild allergies, the use of an Epipen may be necessary for severe food allergies.
This type of hives can occur right away, precisely after a pressure stimulus or as a deferred response to sustained pressure being enforced to the skin. In the deferred form, the hives only appear after about six hours from the initial application of pressure to the skin. Under normal circumstances, these hives are not the same as those witnessed with most urticariae. Instead, the protrusion in the affected areas is typically more spread out. The hives may last from eight hours to three days. The source of the pressure on the skin can happen from tight fitted clothing, belts, clothing with tough straps, walking, leaning against an object, standing, sitting on a hard surface, etc. The areas of the body most commonly affected are the hands, feet, trunk, abdomen, buttocks, legs and face. Although this appears to be very similar to dermatographism, the cardinal difference is that the swelled skin areas do not become visible quickly and tend to last much longer. This form of the skin disease is, however, rare.[citation needed]
Unfortunately, when you have stress hives on neck, face or on hands what you want is a quick and immediate relief. Sure there are drugs on the market like anti-histamines and corticosteroids which reduce the itching and ugly appearance of the hives. On the other hand they come with so many undesirable side effects that you should limit their use to only when it is absolutely necessary.
Many different drugs may cause urticaria. The cyclo-oxygenase (COX)-inhibitor drugs such as aspirin [22] and NSAIDs [23] are a common cause. Opiates, including codeine, may trigger direct histamine release from mast cells [24]. Many different over-the-counter analgesics contain aspirin, NSAIDs and/or codeine and it is therefore important to be specific as to exactly which painkillers patients may or may not be able to take. These reactions are not IgE-mediated and specific IgE testing for aspirin, NSAIDs and opiates is not indicated. Evidence of oxidative damage, as shown by increased protein carbonylation and lipid peroxidation, and of increased anti-oxidant enzyme activity has been found in patients who develop non-IgE-mediated drug-related urticaria [25]; however, it is not known if this oxidative stress is the cause or the effect of the reaction. [Drugs such as angiotensin converting enzyme inhibitors (ACEI) and statins cause isolated angioedema much more commonly than urticaria]. Radio-contrast media and plasma substitutes may also cause urticarial reactions.
Oral steroids:  Although Prednisone  (at least 30mg meticorten daily) is most effective in the short term for rapid symptom control, with long term use will it lead to undesirable side effects and problematic recurrent urticaria on withdrawal. Occasionally long term alternative-day regimens may be necessary to control chronic recalcitrant urticaria.
The goal of treating most cases of ordinary acute urticaria is to relieve symptoms while the condition goes away by itself. The most commonly used oral treatments are antihistamines, which help oppose the effects of the histamine leaked by mast cells. The main side effect of antihistamines is drowsiness.
Urticaria may be caused by other immediate hypersensitivity allergic reactions to an ingested, inhaled, or percutaneously inoculated substance (eg, latex, stinging insects, occupational exposures). See the following image.
Urticaria is characterised by weals (hives) or angioedema (swellings, in 10%) or both (in 40%). There are several types of urticaria. The name urticaria is derived from the common European stinging nettle ‘Urtica dioica’.
Omalizumab, or Xolair, is an injectable drug that blocks immunoglobin E, a substance that plays a role in allergic responses. It can reduce symptoms of chronic idiopathic urticaria, a type of hives of unknown origin that can last for months or years.

“wheals hives |allergic reaction hives treatment”

Urticaria results from the release of histamine, bradykinin, leukotriene C4, prostaglandin D2, and other vasoactive substances from mast cells and basophils in the dermis. [2] These substances cause extravasation of plasma into the dermis, leading to the urticarial lesion. The intense pruritus of urticaria is a result of histamine released into the dermis. One study showed that D-dimer levels correlate with the severity of acute urticaria and may serve as a marker of disease severity. [75]  
Protect yourself from pollen. There are some cases where environmental agents can cause hives. If you react to pollen, avoid being outside in the morning and in the evening when pollen levels are at their highest. Keep your windows closed during these times as well and avoid drying clothes outside. Change into “indoor clothes” as soon as possible and wash your “outdoor clothes” right away.
Many people have a sensitivity to latex which causes a contact dermatitis. The foods listed in the second table above contain chemicals that are similar enough to those found in latex that eating them can cause an allergic reaction. If you have a latex allergy, cross these foods off your shopping list.
Urticaria may be confused with a variety of other dermatologic diseases that are similar in appearance and are pruritic including atopic dermatitis (eczema), maculopapular drug eruptions, contact dermatitis, insect bites, erythema multiforme, pityriasis rosea, urticarial vasculitis, and others. Usually, however, the experienced clinician is able to distinguish urticaria from its mimickers owing to its distinctive appearance (see the images below), intensely pruritic nature, and complete blanching with pressure. [1]
Unfortunately, when you have stress hives on neck, face or on hands what you want is a quick and immediate relief. Sure there are drugs on the market like anti-histamines and corticosteroids which reduce the itching and ugly appearance of the hives. On the other hand they come with so many undesirable side effects that you should limit their use to only when it is absolutely necessary.
Physically induced hives and/or swelling share the common property of being induced by environmental factors such as a change in temperature or by direct stimulation of the skin by pressure, stroking, vibration, or light.
Chronic urticaria is usually treated with antihistamine medication. Antihistamines are commonly available as over-the-counter medications. They can often be effective in stopping itch and preventing future outbreaks of urticaria.  Medication usually needs to be continued for many weeks and long term treatment may be required in some cases to keep the condition under control.
The following pictures are from other people that got a rash from stress. While a stress rash is very common, it is not an incurable condition. So if you are wondering “can anxiety cause a rash?” the answer is yes, and the solution is OxyHives. If none of these pictures look like your related rash, please keep in mind that everyone’s rash will look differently depending on various other factors.
Once it has been discovered that the anti-IgE Fc-receptor antibody is present in a patient’s blood, it is no longer necessary to look for any other cause for hives. Why this autoantibody triggers hives only intermittently is unknown. Many people with this autoantibody feel that their hives are more likely to occur when they are stressed. Some women feel that hormonal changes that occur just prior to their menstrual periods also trigger their hives. Some medications, especially aspirin, ibuprofen (Advil), or naproxsen (Aleve) are also more likely to trigger hives. However, Tylenol (acetominophen) does not usually trigger hives or swelling.
Topical therapies for hives are available but are generally ineffective. They include creams and lotions which help numb nerve endings and reduce itching. Some ingredients which can accomplish this are camphor, menthol, diphenhydramine, and pramoxine. Many of these topical preparations require no prescription. Cortisone-containing creams (steroids), even strong ones requiring a prescription, are not very helpful in controlling the itch of hives.
If you are experiencing hives, don’t know the cause and they have lasted at least six weeks or more, talk to a specialist to see if you have chronic idiopathic urticaria. There may be medicines they can prescribe to help you manage your condition.

“treatment of chronic urticaria |non itchy hives”

Small daily stressors like being late for work typically don’t cause you to break out. Otherwise you’d see a bunch of rash ridden people running around. People generally get stress hives from events like:
Jump up ^ Engin, B; Uguz, F; Yilmaz, E; Ozdemir, M; Mevlitoglu, I (2007). “The levels of depression, anxiety and quality of life in patients with chronic idiopathic urticaria”. Journal of the European Academy of Dermatology and Venereology. 22 (1): 36–40. doi:10.1111/j.1468-3083.2007.02324.x. PMID 18181971.
Omalizumab, an anti-IgE antibody[9]. It is effective in 80% but requires monthly injections and relapse is common when it is stopped. The National Institute for Health and Care Excellence (NICE) recommends omalizumab as an add-on treatment for refractory severe chronic spontaneous urticaria[10].
To calm hives and help them vanish that much quicker, make sure you’re not using any products on your body that will only make the inflammation and itching worse. You don’t want to be using anything harsh on your body right now. This includes soaps and other body care products, as well as the detergent you use on your clothing. Opt for natural products free of unhealthy synthetic fragrances and other aggravating ingredients. Another simple way to calm hives is to take a cool bath or shower. You can also use a cool compress on the hives to help relieve any itching. (16)
Other forms of chronic urticaria include the physical urticarias, in which the rash is triggered by stimuli such as heat, cold, sunlight, pressure, and vibration. It is important to note that many forms of urticaria get worse with heat (such as from hot baths, exercise or wearing too much clothing) and pressure (such as around tight waistbands from clothing).
Patients with CSU have an increased frequency of Hashimoto’s thyroiditis. An association has been noted with the presence of antibodies to thyroglobulin, or a microsomal-derived antigen (peroxidase) even if patients are euthyroid. The incidence of thyroid autoantibodies in patients with chronic urticaria is approximately 24%. Thyroid function and thyroid antibodies should be checked in all patients with chronic urticaria. There are no data to suggest that either of these antibodies are pathogenic in terms of hive formation and it is believed that these are associated, parallel, autoimmune events.
Insect bites and exposure to pollen can make you break out in hives, but you probably already knew that. What you may not have realized is that direct sunlight, cold temperatures, or strong winds can also bring on hives. And no, this doesn’t mean you’re allergic to the elements. “It’s really more that your skin is very sensitive,” says Marilyn Li, MD, a Los Angeles-based allergist and immunologist.
Treatment depends on severity, specific disease manifestations, and a balance between efficacy and drug toxicity and/or side effects. Ideally, non-sedating antihistamines should be tried first, including increased doses as described above for physical urticarias controlled trails demonstrate efficacy at 4 times the dose typically used for allergic rhinitis. The first generation antihistamines such as hydroxyzine or diphenydramine at 25-50 mg four times daily can be employed if the non-sedating, second-generation agents are insufficient. H2-receptor antagonists offer a little more global blockade of histamine receptors by inhibiting H2 receptors once H1 receptor blockage is maximal. There are 10-15% H2 receptors on venular endothelial cells. Leukotriene antagonists (montelukast, zafirlukast) can be tried in patients with severe symptoms but they may still not be satisfactorily controlled with the above-mentioned combinations. Alternate-day corticosteroids, eg, prednisone 10-25 mg every other day can be employed with gradual tapering at a rate of 2.5-5.0 mg every 2-3 weeks or 10-15 mg daily with taper of 1 mg/week. Another approach, and one that may be employed when use of corticosteroids is relatively contraindicated or when steroid side-effects prohibit their use, is cyclosporine. A typical dose range in adults is 200-300 mg/day, to be tapered to the lowest effective dose once a response is obtained. Monitoring of blood pressure and kidney function (urinalysis, BUN, creatinine) needs to be done on a regular basis.  The latest therapy is omalizumab supported by phase 1, 2, and three phase 3 trials.  It has the best efficacy to side effect profile and once approved for this indication (being reviewed currently) may supplant any use of sedating antihistamines once high-dose non-sedating agents fail.  H2 blockers and leukotriene antagonists may or may not be added next, but corticosteroids can be eliminated for chronic use, and cyclosporine reserved for omalizumab failures.
The Food Standards Code requires that certain foods must be listed on the package of a food, or made known to the customer upon request. If you experience an allergic reaction to a known allergen not…
If you tend to break out in hives after eating shellfish, peanuts, tree nuts, eggs, milk, and berries, then you may have a food allergy, says Debra Jaliman, MD, a New York City-based dermatologist and the author of Skin Rules.  
“My allergist tested me for but we still couldn’t figure out a cause for the hives. It was so frustrating to keep searching for a cause. And as much as I was seeking answers, I wasn’t getting any, and wasn’t getting any relief either. Weeks passed, but the hives didn’t. Friends and family offered suggestions and their own explanations but they didn’t understand what I was going through.
According to the American Osteopathic College of Dermatology, about half the cases of chronic idiopathic hives are due to immune systems that attack the body’s own tissues (also known as autoimmunity). Thyroid disease is the most commonly reported autoimmune condition in people with chronic hives, followed by rheumatoid arthritis and type 1 diabetes. A study published in September 2013 in the European Journal of Dermatology found that celiac disease is also associated with chronic hives.
Acupuncture is another option for natural hives treatment, especially for chronic hives. It is a holistic health technique that stems from Traditional Chinese Medicine practices. Trained practitioners stimulate specific points on the body by inserting thin needles into the skin. When it comes to hives, acupuncture aims to provide immediate relief from the swelling and itching. Acupuncture also tries to get to the root of the hives, including any underlying imbalances or triggers that are causing the hives. Some common acupuncture points for hives include Spleen 10 (SP 10)  and Large Intestine 11 (LI 11).  One double-blind study placebo-controlled study treated 40 patients with chronic urticaria using either real acupuncture or “sham acupuncture” for three weeks. The subjects treated with real acupuncture experienced partial remissions of symptoms after three weeks. The effectiveness of the acupuncture treatments appeared to increase with each additional treatment. (22)
Urticarial vasculitis tends to run a chronic course. Mortality is low, unless renal or pulmonary disease occurs. The goal of treatment is to achieve long-term control with the least amount of toxicity.
Change in temperature. Cold urticaria is caused by exposure to low temperatures followed by re-warming. This can be severe and life-threatening if there is a general body cooling – for example, after a plunge into a swimming pool.
If your reaction involves swelling of your tongue or lips, or you have trouble breathing, your allergist may prescribe an epinephrine (adrenaline) auto-injector for you to keep on hand at all times. These can be early symptoms of anaphylaxis, a potentially fatal allergic reaction that impairs breathing and can send the body into shock. The only treatment for anaphylaxis is epinephrine. If you develop hives and your injector is not nearby – or if using the auto-injector doesn’t cause the symptoms to immediately improve – go to an emergency room immediately. You should also go to the emergency room after using an auto-injector.
There are numerous possible causes of hives, as they occur when a chemical called histamine is released in the skin. This can happen as a result of allergies, insect bites or stings, infections, exposure to certain chemicals, sunlight, heat or cold, and in response to some medications (often antibiotics or painkillers). 

“hives all over my body +how long hives last”

Urticaria is characterized by itchy bumps or areas of raised skin that are light red in color and cause intense itching. This condition is commonly known as hives and while it is most commonly caused by an allergic reaction it can also have non-allergic causes. Urticaria is classified as either acute or chronic and this is dependant on how long the outbreak lasts. Outbreaks that last for less than 6 weeks are referred to as acute urticaria cases while those that last for longer periods are termed as chronic. Acute urticaria is generally the result of an allergic reaction while chronic urticaria often has autoimmune causes. An acute viral infection can also be a cause of acute urticaria. Hives are also known to be caused by local pressure, friction, extremes of temperature, and sunlight.
The diseases listed above are rare causes of hives, with the exception of thyroid disease. People with chronic urticaria have a higher incidence of thyroid problems compared to the general population.
Hives usually cause itching, but may also burn or sting. They can appear anywhere on the body, including the face, lips, tongue, throat, or ears. Hives vary in size (from a pencil eraser to a dinner plate), and may join together to form larger areas known as plaques. They can last for hours, or up to one day before fading. Read more about hives (urticaria and angioedema).
The most common symptoms are hives that cause itching, pain and a burning feeling. Skin patches often are red-rimmed with white centers, and unlike common hives may have petechia, or bleeding under the skin. The patches can be present for days and result in skin discoloration as they heal. Some patients may also have fevers, joint and abdominal pain, shortness of breath and swollen lymph glands. Sometimes urticarial vasculitis even causes injury to vital organs including the gut, lungs and kidneys.
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An objective trial of a low salicylate diet may be indicated in patients who give a clear history of having developed more severe urticaria, or even angioedema or bronchospasm, after taking aspirin or NSAIDs and, particularly, if the patient also responds to LTRA treatment [57]. It is important to explain to the patient that the diet should not become more troublesome than the urticarial symptoms themselves and it may be simpler for patients to take a regular dose of an anti-histamine, rather than continue on a strict exclusion diet.
Whenever possible, drug treatment should be avoided during pregnancy. Fortunately, chronic urticaria often improves in pregnancy; however, if symptoms are very severe and treatment is considered absolutely necessary, either chlorphenamine or loratidine may be prescribed. Data from several thousand women who had taken either chlorphenamine or loratidine in pregnancy, including data from several hundred who took anti-histamines during the first trimester [67,68], showed no increase in the incidence of fetal malformations. The lowest dose which controls symptoms should be used and the possibility of adverse effects should be discussed and documented. There is less clinical experience with cetirizine and therefore cetirizine is not recommended in pregnancy. Hydroxyzine is the only anti-histamine which is specifically contraindicated in pregnancy in the summary of product characteristics.
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There are many causes of urticaria; allergic and non-allergic. In about 90% of people with chronic urticaria, no cause is found even after exhaustive investigations. In acute urticaria the chances of determining the cause are higher. For example, many cases of acute urticaria in children may be associated with a viral, bacterial or parasitic infection. Stress can certainly make established symptoms worse, but is very rarely the direct cause of urticaria.
Other potential triggers of chronic hives include heat and aggravating your skin by scratching it or putting pressure on it (for example, by wearing tight clothes or sitting on a hard surface). Keeping a diary in which you record when and where your symptoms developed or worsened can help you and your doctor find clues and pinpoint your triggers, says Anand. But if even that doesn’t help, don’t lose heart: For most people, even chronic hives whose cause is unknown gradually disappear on their own over time.
Urticaria is diagnosed in people with a history of weals that last less than 24 hours with or without angioedema. A family history should be elicited. A thorough physical examination should be undertaken.
[Guideline] Zuberbier T, Asero R, Bindslev-Jensen C, Walter Canonica G, Church MK, Giménez-Arnau AM, et al. EAACI/GA(2)LEN/EDF/WAO guideline: management of urticaria. Allergy. 2009 Oct. 64(10):1427-43. [Medline].
Angioedema is similar to hives,[34] but in angioedema, the swelling occurs in a lower layer of the dermis than in hives,[35] as well as in the subcutis. This swelling can occur around the mouth, eyes, in the throat, in the abdomen, or in other locations. Hives and angioedema sometimes occur together in response to an allergen, and is a concern in severe cases, as angioedema of the throat can be fatal.
Antihistamines – available either over the counter or by prescription – are a frequently recommended treatment for hives. They work by blocking the effect of histamine, a chemical in the skin that can cause allergy symptoms, including welts. Low-sedating or nonsedating antihistamines preferred. They are effective and long-lasting (may be taken once a day) and have few side effects. Your allergist may recommend a combination of two or three antihistamines to treat your hives, along with cold compresses or anti-itch salves to ease the symptoms.
Allergies to foods and soaps or detergents are often the first things that come to mind. While many people try to avoid these suspected triggers, they frequently find that it doesn’t help. You might be surprised to know that while allergies may be the problem, other causes are more common.
When my son came in contact with caterpillars he would break out in giant hives all over his body. THANK GOD FOR THE SASAFRASS TREE!!! I would make him a cup of tea and within 30 minutes the hives disappeared completely when Benadryl never did. Can be bought at your local grocers.
Steven A Conrad, MD, PhD is a member of the following medical societies: American College of Chest Physicians, American College of Critical Care Medicine, American College of Emergency Physicians, American College of Physicians, International Society for Heart and Lung Transplantation, Louisiana State Medical Society, Shock Society, Society for Academic Emergency Medicine, Society of Critical Care Medicine
For some, the culprit is obvious—they’ll eat a peanut butter cookie, for example, and immediately break out in a rash. For others, it’s not so cut and dry; symptoms can take several hours to develop. Either way, make an appointment with your doctor if you suspect you have a food allergy. Dr. Jaliman says you’ll likely be put on an elimination diet where you reintroduce one potentially triggering food every week. “Let’s say you’re not eating any of the hives foods and then you add back shellfish and you get the hives again. Then you can pretty much figure it out,” Dr. Jaliman says. After you determine the culprit, nix it from your diet to prevent mild symptoms from becoming chronic. Dr. Jaliman says you’ll likely be prescribed an EpiPen—if you accidentally ingest a trigger food, you could get hives in your throat, which can be dangerous. 
Getting to the bottom of what caused your hives is not easy and it’s possible that you may never know. However, it’s also likely that you can check many of these known causes off your list of potential triggers. Since most cases have no known cause, what is important is properly treating hives, which is typically done with done with antihistamines.
An itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs. – (Source – Diseases Database)
If non-sedating antihistamines are not effective, a 4 to 5-day course of oral prednisone (prednisolone) may be warranted in severe acute urticaria, particularly if there is angioedema. Systemic steroids do not speed up resolution of symptoms.
Idiopathic cold urticaria is characterized by the rapid onset of pruritus, erythema, and swelling after exposure to a cold stimulus. The location of the swelling is confined to those parts of the body that have been exposed. When suspected, an ice-cube test can be performed in which an ice cube is placed on the subject’s forearm for 4-5 minutes. A positive reaction leads to formation of a hive in the shape of the ice cube within 10 minutes after the stimulus is removed (click for picture). The time course of this reaction (i.e., cold challenge followed by hive formation as the area returns to body temperature) demonstrates that a two-step reaction has occurred in which exposure to cold is a prerequisite, but hive formation actually occurs as the temperature increases.
Stress occurs when forces from the outside world impinge on the individual. Stress is a normal part of life. However, over-stress, can be harmful. There is now speculation, as well as some evidence, that points to the abnormal stress responses as being involved in causing various diseases or conditions.

“cold urticaria symptoms +cholinergic urticaria cures”

Seeing red raised spots on your child’s skin can be scary, especially if you don’t know what caused them. Often, though, these spots are a case of the hives — a common skin reaction to something like an allergen (a substance that causes allergies). Most will clear up and go away
Non-sedating antihistamines that block the histamine H1 receptors are the first line of therapy. First generation antihistamines such as diphenhydramine or hydroxyzine block both central and peripheral H1 receptors and can be sedating. Second generation antihistamines such as loratadine, cetirizine, or desloratadine selectively antagonize the peripheral H1 receptors and are less sedating, less anticholinergic, and generally preferred over the first generation antihistamines.[39][40]
Your doctor may prescribe a cream or antihistamines to help with the itching. Good skin care is essential for prevention of an infection. For isolated or minor infected lesions, an antiseptic e.g. betadine can be applied. However, antibiotics may be necessary for severe or extensive infection.
Although clinically distinctive, urticaria may be confused with a variety of other dermatologic diseases that can be similar in appearance and are pruritic, including atopic dermatitis (eczema), maculopapular drug eruptions, contact dermatitis, insect bites, erythema multiforme, pityriasis rosea, and others. Usually, however, the experienced clinician is able to distinguish these conditions from urticaria because of the lesions’ hallmark appearance (see the images below), a lack of epidermal change, the intense pruritus, the presence of an advancing edge and a receding edge, the complete blanching of the lesions with pressure, and are the transient nature of the lesions. [1] (See Clinical Presentation.)
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Urticaria, commonly referred to as hives, is the most frequent dermatologic disorder seen in the emergency department (ED). It appears as raised, well-circumscribed areas of erythema and edema involving the dermis and epidermis that are very pruritic. Urticaria may be acute (lasting <6 wk) or chronic (lasting >6 wk). A large variety of urticaria variants exist, including acute immunoglobulin E (IgE)–mediated urticaria, chemical-induced urticaria (non-IgE-mediated), autoimmune urticaria, cholinergic urticaria, cold urticaria, mastocytosis, periodic fever syndromes including Muckle-Wells syndrome, and many others. [2, 10] While acute urticaria is generally related to an exogenous allergen or acute infection, chronic urticaria is more likely to be associated with autoimmunity. [8, 11, 12]
Hives can also be classified by the purported causative agent. Many different substances in the environment may cause hives, including medications, food and physical agents. In perhaps more than 50% of people with chronic hives of unknown cause, it is due to an autoimmune reaction.[6]
After a run of Californian live shows and the two weekends at the Coachella Valley Music and Arts Festival (April 15 and April 22), the band performed on Jimmy Kimmel Live! on 23 April 2012.[21] The music video for “Go Right Ahead” was released on 9 May 2012.
Urticaria, also known as hives, is an outbreak of swollen, pale red bumps or plaques (wheals) on the skin that appear suddenly — either as a result of the body’s reaction to certain allergens, or for unknown reasons.
Discovering the exact cause of chronic urticaria is often extremely difficult. If the hives occur daily, they are most likely caused by something that you are exposed to daily. In that case, it is easier to see the cause/effect relationship. Sometimes it is several hours after exposure before the itching begins. In that case, some real detective work will be needed to find the culprit. These are the things to consider in order of importance: foods, drugs, infections, inhalants, and psychological factors.
In addition, the mission of AAFA’s Web site is to provide online access to AAFA’s reliable, validated asthma and allergy information and tools to families, patients, parents, healthcare providers, policymakers and others.
Clinical Context:  Hydroxyzine antagonizes H1 receptors in the periphery. It may suppress histamine activity in the subcortical region of the CNS. Hydroxyzine can be used for symptomatic control. The recommended antihistamine for pregnant patients is diphenhydramine. Hydroxyzine has been used safely in children.

“human hive _autoimmune urticaria”

Stress hives are red, raised swollen and bumps (AKA stress bumps) that appear on your skin, that develop due to too much stress or anxiety in your life. Stress hives can itch like crazy, giving you the feeling like ants or spiders are crawling over your skin. The only way to get rid of your stress hives is to remove all the stress and anxiety form your life. Because this is a near impossibility for most people, there is one stress hives treatment, known as OxyHives, that can be taken that reduces the swelling and itchy feeling within 2 hours.
“My hope is that we will be able to move towards a more integrated approach to treating patients which incorporates attention to the multifactorial nature of so many dermatologic conditions, both in their etiology as well as the experience of living with these conditions, whether it is chronic urticaria, psoriasis, acne or delusions of parasitosis,” she says.
Prevention is by avoiding whatever it is that causes the condition.[2] Treatment is typically with antihistamines such as diphenhydramine and ranitidine.[2] In severe cases, corticosteroids or leukotriene inhibitors may also be used.[2] Keeping the environmental temperature cool is also useful.[2] For cases that last more than six weeks immunosuppressants such as ciclosporin may be used.[2]
“In the late 1960s, we’d ask people how many had allergies and an estimated 1 in 10 people reported some form of allergy,” Marshall says. “Now compare that with 1 in 3 people in 2000 having some form of allergy.”
Treatment of urticarial vasculitis is based on systemic effects of the disease, extent of cutaneous involvement, and previous response to treatment. For patients with cutaneous involvement only, antihistamines or nonsteroidal anti-inflammatory drugs (NSAIDs) may provide symptomatic relief. However, Jachiet et al report that antihistamines were therapeutically ineffective for treatment of hypocomplementemic urticarial vasculitis.[12]
It is typically diagnosed when chronic hives do not appear to be associated with any other systemic disease process, and are not due to one of the physically induced urticarias. Research during the past decade suggests an association with autoimmunity in 35-45% of patients. When severe, it can be resistant to therapy and there is a 40% incidence of accompanying angioedema. Angioedema may involve the face, lips, tongue, throat, or extremities but not the larynx. The remission rate is 65% within three years, 85% within five years and 98% within ten years. A form of angioedema in the absence of hives with no identifiable cause is termed idiopathic angioedema.
Urticaria, or hives, are red bumps that suddenly appear on your skin. Do hives itch? Yes, hives can be itchy. They can also sting or burn. What do hives look like? The appearance of hives can vary depending on the person and the cause. Hives often appear as swollen, pale or dark red bumps that are either tiny. They also can be larger and interconnected, forming welts. Sometimes the welts can merge together forming larger plaques. These plaques be as large as a dinner plate in size! (3)
The attack begins with red, raised, spongy welts on the skin that develop on a certain part of the body. These welts are itchy and may increase in size over time. Sometimes they even join together to form a large raised rash
You can also buy ointment and sprays like OxyHives and Gold Bond Anti-Itch Cream to help with the itching and burning. You can get both of these without a prescription.Try to avoid wearing tight clothing on the affected area because it can cause further irritation. So if you get outbreaks on your legs, skip the skinny jeans.
Drugs that block histamine-1 (H1) receptors (antihistamines) are the primary treatment for urticaria. The use of both H1 and H2 receptor blockers has been recommended but has not been proven more effective. Patients should avoid identified allergens. Doxepin, calcium channel blockers, or immunosuppresive drugs may be needed for symptoms that are not well controlled with antihistamines. Known triggers of urticaria should be avoided.
An eruption of itching wheals, colloquially called hives, usually of systemic origin; may be due to a state of hypersensitivity to foods or drugs, foci of infection, physical agents (heat, cold, light, friction), or psychic stimuli.

“urticaria autoimmune |acute hives”

Many medications can cause hives, but only about 10% of hives are caused by medications. Hives will most often occur in the first 36 hours after starting the medication, but hives can occur even after taking a medicine for a long time. You can see that antibiotics are a common culprit.
Whenever possible, drug treatment should be avoided during pregnancy. Fortunately, chronic urticaria often improves in pregnancy; however, if symptoms are very severe and treatment is considered absolutely necessary, either chlorphenamine or loratidine may be prescribed. Data from several thousand women who had taken either chlorphenamine or loratidine in pregnancy, including data from several hundred who took anti-histamines during the first trimester [67,68], showed no increase in the incidence of fetal malformations. The lowest dose which controls symptoms should be used and the possibility of adverse effects should be discussed and documented. There is less clinical experience with cetirizine and therefore cetirizine is not recommended in pregnancy. Hydroxyzine is the only anti-histamine which is specifically contraindicated in pregnancy in the summary product characteristics.
Jump up ^ Chung, Man Cheung; Symons, Christine; Gilliam, Jane; Kaminski, Edward R. (2010). “The relationship between posttraumatic stress disorder, psychiatric comorbidity, and personality traits among patients with chronic idiopathic urticaria”. Comprehensive Psychiatry. 51 (1): 55–63. doi:10.1016/j.comppsych.2009.02.005. PMID 19932827.
The very best way to get rid of stress hives is to remove as much stress from your life as possible. There are so many effective ways to reduce stress on a daily basis. Find what works best for you and make it a part of your routine. Exercise is always one of my stress boosters. Other great ideas for stress hives treatment, and hives treatment in general, include yoga, massage, journaling and prayer.
If your reaction is severe, especially if the swelling involves your throat, you may need an emergency shot of epinephrine (adrenaline) or steroids. Hives in the throat can block your airway, making it difficult to breathe.
Stress hives symptoms include red bumps and swollen areas on your skin that seem to appear almost out of nowhere. They are typically quite itchy and have been known to cause a prickly or burning sensation – especially if touched. Stress hives can appear on any part of your body (face, hands, feet, arms, etc.) and can vary in size from as small as the eraser on a pencil to as large as a dinner plate. Stress hives, like a typical hives rash, have been known to spread from place to place, and smaller areas of hives can blend together to create larger areas known as plaques. These stress hives symptoms can easily be treated with the right over the counter medication.
Next, if any obvious triggering factors have been identified from the history these should be eliminated, wherever possible. For example, specific food triggers should be excluded from the diet; treatment with aspirin, NSAIDS and codeine should be stopped; physical triggers such as coldand heat should be avoided whenever possible; and clinical thyroid disease or underlying infection treated. Anti-pruritic, cooling skin lotions such as calamine lotion or 1% menthol in aqueous cream may help to relieve itching.
Known in medical terms as uriticaria, hives is a rash on the skin that is very itchy and red in color. Hives can occur anywhere on the body – from the face to the arms and legs and can vary in size from a few inches to a few millimeters. Hives could be a result of an allergic or non-allergic reaction and nearly twenty percent of children and adults develop hives at some point of time.
Drugs that block histamine-1 (H1) receptors (antihistamines) are the primary treatment for urticaria. The use of both H1 and H2 receptor blockers has been recommended but has not been proven more effective. Patients should avoid identified allergens. Doxepin, calcium channel blockers, or immunosuppresive drugs may be needed for symptoms that are not well controlled with antihistamines. Known triggers of urticaria should be avoided.
The most important part of the investigation of a patient with urticaria is to take a detailed history [43]. This should include structured questions about the many possible clinical causes of urticaria (see above); the frequency, timing and duration of attacks; whether the patient has developed more severe allergic symptoms such as angioedema or wheezing in association with the urticaria; and whether there are any symptoms suggestive of an underlying medical condition such as a connective tissue disease and/or urticarial vasculitis. Photographs may be helpful in confirming the diagnosis and patients may have compiled a symptom diary, which is sometimes useful when trying to identify possible triggers for the rash.
It can be easy to mistake hives for other disorders because the allergy triggers can be difficult to find. Another problem with diagnosing hives is that the symptoms are relatively generic — red, itchy welts on your skin are a common symptom among many skin disorders.
The experts disagree when it comes to managing stress to ease allergy symptoms. Grossan tells WebMD that after weeks of sneezing, the body’s immune system is exhausted. “Going to bed and resting can help to restore the body’s resistance and is definitely good stress-relief therapy.”
Abdominal examination should note any masses, hepatomegaly, splenomegaly, or tenderness. Neurologic examination should note any tremor or hyperreflexia or hyporeflexia. Musculoskeletal examination should note the presence of any inflamed or deformed joints.
Regardless of what causes your hives, most people find that OxyHives eliminates their hives symptoms and outbreaks faster than any other medication on the market. Please see our treatment options page for more information.
urticaria pigmento´sa the most common form of mastocytosis, occurring primarily in children, manifested as persistent pink to brown macules or soft plaques of various size; pruritus and urtication occur on stroking the lesions.
Glucocorticoids are often the treatment of choice. However, given their long-term adverse effect profiles, they are used only for significant cutaneous disease or systemic involvement. For long-term treatment, a combination of prednisone and another medication may be required.
Physical Urticaria (Inducible Urticaria) in its most simple form usually presents as linear scratches or Dermatographism.   Physical Urticaria is triggered by common physical stimuli such as heat, cold, sun exposure, vibration, exercise, deep pressure and even occasionally from water exposure (Aquagenic). The weals occur within minutes of the stimulus and disappear rapidly within an hour or two. Just to complicate matters, Physical Urticaria may occur together with Chronic Idiopathic Urticaria.  While Contact Urticaria an immediate allergy occuring after skin contact with fresh foods (potato, shellfish), pet saliva or latex and settles within a few hours.
Disclaimer: This article is for information only and should not be used for the diagnosis or treatment of medical conditions. Patient Platform Limited has used all reasonable care in compiling the information but make no warranty as to its accuracy. Consult a doctor or other health care professional for diagnosis and treatment of medical conditions. For details see our conditions.
Jump up ^ Kaplan AP (2009). “What the first 10,000 patients with chronic urticaria have taught me: a personal journey”. J Allergy Clin Immunol. 123 (3): 713–717. doi:10.1016/j.jaci.2008.10.050. PMID 19081615.
Hives can be caused by an allergic reaction to foods, drugs, insect bites, infections or substances which can cause other allergic reactions. However not all cases are caused by allergy; frequently they are caused by viruses. It can sometimes be extremely difficult to find the cause. Triggers include medications, food, viruses, latex, heat, cold and direct exposure to sun. If the cause is known, the trigger should be avoided.
Autoimmune urticaria (in the European guidelines this would come under the chronic spontaneous urticaria subtype above[4]). This may account for half of all cases of chronic urticaria in adults and older children. There may be an association with other autoimmune conditions.
The clinical history should indicate if a vasculitic process is likely, with the lesions lasting for several days, instead of hours, and being painful or burning, instead of itchy. Patients should be asked about drug treatment and joint, gastrointestinal and pulmonary symptoms. Examination may show purpura or hyperpigmentation at the sites of earlier lesions and, possibly, signs of an associated underlying disease such as SLE. Investigations which may be relevant include skin biopsy to confirm the diagnosis; FBC and ESR; renal and liver function tests; urine analysis; complement C3 and C4 levels and anti-C1q antibodies; ANA and extractable nuclear antigens (ENA) (often positive for Ro/SS-A and La/SS-B if the patient has Sjögren’s syndrome); hepatitis, Borrelia or Epstein–Barr virus serology; immunoglobulins and protein electrophoresis and cryoglobulins and chest X-ray (CXR) and pulmonary function tests if symptoms suggest lung involvement. [Anti-neutrophil cytoplasmic antibodies (ANCA) are rarely found in urticarial vasculitis and if ANCA testing is positive an alternative diagnosis such as Wegener’s granulomatosis or microscopic polyangiitis should be considered.]
Hives, also known as urticaria, affects about 20 percent of people at some time during their lives. It can be triggered by many substances or situations and usually starts as an itchy patch of skin that turns into swollen red welts. The itching may be mild to severe. Scratching, alcoholic beverages, exercise and emotional stress may worsen the itching.
Stress hives are red, raised swollen areas and bumps (AKA stress bumps) that appear on your skin, that develop due to too much stress or anxiety in your life. Stress hives can itch like crazy, giving you the feeling like ants or spiders are crawling over your skin. The only way to get rid of your stress hives is to remove all the stress and anxiety form your life. Because this is a near impossibility for most people, there is one stress hives treatment, known as OxyHives, that can be taken that reduces the swelling and itchy feeling within 2 hours.
Nonthrombocytopenic purpura: Cryofibrinogenemic purpura Drug-induced purpura Food-induced purpura IgA vasculitis Obstructive purpura Orthostatic purpura Purpura fulminans Purpura secondary to clotting disorders Purpuric agave dermatitis Pigmentary purpuric eruptions Solar purpura Traumatic purpura Waldenström hyperglobulinemic purpura Painful bruising syndrome
Localized cold urticaria, in which only certain areas of the body urticate with cold contact, has been reported after predisposing conditions such as cold injury; it has also been reported at sites of intracutaneous allergen injections, ragweed immunotherapy, or insect bites.
Approximately 15% of people experience urticaria at some time in their lives. Acute urticaria is much more common than chronic urticaria. (Estimated lifetime incidence is 1 in 6 people compared to 1 in 1,000.) The prevalence rate for chronic urticaria has been estimated as 1-5 per 1,000. Acute urticaria is most common in children and is more common in women than in men, particularly in the 30-60 age range. It is more common in individuals who have atopy.
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Arora A, Wetter DA, Gonzalez-Santiago TM, Davis MD, Lohse CM. Incidence of leukocytoclastic vasculitis, 1996 to 2010: a population-based study in Olmsted County, Minnesota. Mayo Clin Proc. 2014 Nov. 89 (11):1515-24. [View Abstract]
How long do hives last? Mild hives can appear suddenly and be completely gone a few minutes later. Other times, hives can last for hours and even several weeks to months. Acute episodes of urticaria last for six weeks or less. Hives that last for six weeks or less are acute hives. Those that remain for more than six weeks are chronic hives. It’s nice to know that the majority of hives cases don’t last longer than 24 hours. (4)

“hives caused by stress urticaria rash”

One study found that chronic urticaria can have the same negative impact as heart disease. It also found that 1 in 7 people with chronic urticaria had some sort of psychological or emotional problem, such as: 
The type I allergic immunoglobulin (Ig) E response is initiated by antigen-mediated IgE immune complexes that bind and cross-link Fc receptors on the surface of mast cells and basophils, thus causing degranulation with histamine release.
About 20% of people are affected.[2] Cases of short duration occur equally in males and females while cases of long duration are more common in females.[4] Cases of short duration are more common among children while cases of long duration are more common among those who are middle aged.[4] Hives have been described at least since the time of Hippocrates.[4] The term urticaria is from the Latin urtica meaning “nettle”.[5]
Diet plays a very important role in the treatment of urticaria, especially in the case of a food allergy. The first step in planning your diet for urticaria is to avoid the food that is causing the reaction. If you are unsure to what food caused your reaction, you would need to make a list of all the foods that you have consumed in the last 24 hours and avoid all of them if possible. Try to recall if your diet in the last 48 hours included foods that you do not usually consume. Take away food, especially Chinese food is often associated with food allergies due to the spices and condiments that are used to prepare them. 
The #1 best proven method of eliminating stress hives from your life forever is to remove ALL stress and tension from your life. Aside from that, the only other way is to take an OTC medication like OxyHives that has proven to get rid of hives within 1-2 hours. OxyHives has been around for over 10 years now and is effective without any of the harmful side effects other hives medications have. OxyHives recently received approval to sell their hives treatment over the counter and thus no longer requires a prescription. Please see our hives treatment page for more information.
Stress can wreak havoc on your physical and emotional health. You may feel overwhelmed or anxious about the source of your stress. If you’re experiencing physical symptoms like a rash, stress may be amplified.
You probably won’t be able to tell the difference between stress hives and hives caused by an allergic reaction. The symptoms are pretty much identical. The big difference is that stress hives will pretty much appear out of nowhere.
Clinical Context:  Although prednisone is most effective, adverse effect profiles preclude it from use as a first-line agent. Consider it only after failure of antihistamines, indomethacin, colchicine, dapsone, or hydroxychloroquine. Its effect on urticarial vasculitis likely is mediated by its anti-inflammatory effect. This class of medications decreases capillary permeability and inhibits the mitotic rate of lymphocytes.
Antihistamine tablets can ease symptoms. Antihistamines block the action of histamine which is one of the chemicals involved in causing hives. You can get antihistamines on prescription. You can also buy them without a prescription from pharmacies. There are several types. The pharmacist will advise. The ones most often used for hives are:
They released their second studio album Veni Vidi Vicious in April 2000 through Burning Heart Records. The band themselves described the album as being like “a velvet glove with brass knuckles, both brutal and sophisticated at the same time”. The album yielded the singles “Hate to Say I Told You So”, “Main Offender”, “Die, All Right!”, and “Supply and Demand.”
Other natural remedies for hives include applying aloe vera gel on the affected skin or making a paste with oatmeal and cornstarch and coating the rash with it. Keep this paste on for thirty minutes before washing it off with water. Lotions containing aloe vera as an ingredient are also effective.
Urticarial vasculitis (also known as “chronic urticaria as a manifestation of venulitis”, “hypocomplementemic urticarial vasculitis syndrome”, “hypocomplementemic vasculitis” and “unusual lupus-like syndrome”)[1] is a skin condition characterized by fixed urticarial lesions that appear histologically as a vasculitis.[2]:834
Angioedema is swelling in the deeper layers of a person’s skin. It’s often severe and is caused by a build-up of fluid. The symptoms of angioedema can affect any part of the body, but usually affect the:
Low blood pressure, also referred to as hypotension, is blood pressure that is so low that it causes symptoms or signs due to the low flow of blood through the arteries and veins. Some of the symptoms of low blood pressure include:
If your hives are uncomfortable or disrupting your life, consider seeing an allergist or physician to determine the underlying cause, especially if you have never had hives before. In many cases, a doctor can prescribe or recommend an over-the-counter medication that can help relieve your symptoms or calm down your hives as they occur.
Fueyo-Casado A, Campos-Muñoz L, González-Guerra E, Pedraz-Muñoz J, Cortés-Toro JA, López-Bran E. Effectiveness of omalizumab in a case of urticarial vasculitis. Clin Exp Dermatol. 2017 Mar 1. [View Abstract]
Pityriasis rosea typically fades without treatment in six to eight weeks. During this time, you can use an OTC anti-itch medication, like diphenhydramine (Benadryl) or cetirizine (Zyrtec) to ease your symptoms.
Winter is not exactly the most popular season, and with good reason for those who live with chronic hives: The cold can trigger a flare-up in some. Besides the weather, other cold-related triggers include chilly foods and swimming pools. For people who are allergic to the cold, full-body immersion in a swimming pool, in particular, can trigger a severe reaction that involves not just hives but allergic shock (anaphylaxis) and loss of consciousness.
Your doctor may prescribe a cream or antihistamines to help with the itching. Good skin care is essential for prevention of an infection. For isolated or minor infected lesions, an antiseptic e.g. betadine can be applied. However, antibiotics may be necessary for severe or extensive infection.
Jump up ^ Chung, Man Cheung; Symons, Christine; Gilliam, Jane; Kaminski, Edward R. (2010). “Stress, psychiatric co-morbidity and coping in patients with chronic idiopathic urticaria”. Psychology & Health. 25 (4): 477–90. doi:10.1080/08870440802530780. PMID 20204926.
Known in medical terms as uriticaria, hives is a rash on the skin that is very itchy and red in color. Hives can occur anywhere on the body – from the face to the arms and legs and can vary in size from a few inches to a few millimeters. Hives could be a result of an allergic or non-allergic reaction and nearly twenty percent of children and adults develop hives at some point of time.
Clinical Context:  Indomethacin is the only NSAID reported effective in urticarial vasculitis. It is rapidly absorbed; metabolism occurs in the liver by demethylation, deacetylation, and glucuronide conjugation. Indomethacin inhibits prostaglandin synthesis.
A wide variety of different infections, including hepatitis [26], infectious mononucleosis [27], Helicobacter pylori infection [28], dental infections, sinusitis and urinary tract infections, have all been implicated as causing urticaria. However, in adults seen in the clinic, the overall incidence of infection-related urticaria is low. In contrast, children commonly develop urticaria as a result of viral respiratory infections. This urticaria may be severe and may be associated with episodes of angioedema, but it usually resolves over a few weeks. Worldwide, parasitic infections are a common cause of urticaria and there is nearly always an associated eosinophilia.
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Research shows that stress can play a major role in many physical and mental illnesses, including chronic idiopathic hives. “Stress can bring on and exacerbate chronic hives,” says Anand. “It’s not uncommon to see chronic idiopathic hives developing following a stressful period of time.” In several studies, people with chronic hives have been found to have higher levels of stress. Researchers have also found a link between post-traumatic stress disorder and hives. To lower stress, try relaxation techniques — for example, mindfulness meditation, which was found to lower the stress hormone cortisol in a study published in 2013 in the journal Health Psychology.
[Guideline] Magerl M, Borzova E, Gimrnez-Arnau A, Grattan CE, Lawlor F, Mathelier-Fusade P, et al. The definition and diagnostic testing of physical and cholinergic urticarias–EAACI/GA2LEN/EDF/UNEV consensus panel recommendations. Allergy. 2009 Dec. 64(12):1715-21. [Medline].
Some people with chronic (lasting more than 6 weeks) hives, see the hives go away on their own — often within a year. For many people with a chronic case, however, the hives come and go for months or years.
In patients with chronic idiopathic urticaria, approximately 35% will experience episodes of angioedema and 25% are positive for dermatographism. Like many autoimmune diseases, chronic idiopathic urticaria has a higher incidence in women than men, with the reported ratio of females to males ranging from 2:1 to 4:1. Numerous autoimmune conditions have been associated with chronic idiopathic urticaria, including thyroid disease, celiac disease, and rheumatoid arthritis (RA).
This type of hives can occur right away, precisely after a pressure stimulus or as a deferred response to sustained pressure being enforced to the skin. In the deferred form, the hives only appear after about six hours from the initial application of pressure to the skin. Under normal circumstances, these hives are not the same as those witnessed with most urticariae. Instead, the protrusion in the affected areas is typically more spread out. The hives may last from eight hours to three days. The source of the pressure on the skin can happen from tight fitted clothing, belts, clothing with tough straps, walking, leaning against an object, standing, sitting on a hard surface, etc. The areas of the body most commonly affected are the hands, feet, trunk, abdomen, buttocks, legs and face. Although this appears to be very similar to dermatographism, the cardinal difference is that the swelled skin areas do not become visible quickly and tend to last much longer. This form of the skin disease is, however, rare.[citation needed]
For some cases of urticaria, especially chronic urticaria, no cause can be found, despite exhaustive efforts. This is known as idiopathic urticaria, [2] although most of these are chronic autoimmune urticaria as defined by a positive autologous serum skin test (ASST). [9]
Acute viral illnesses in children can be associated with urticarial eruptions which last a few weeks and then spontaneously subside. This typically accompanies symptoms of viral rhinitis, pharyngitis, or bronchitis. When such patients are given an antibiotic, the cause of the hives becomes less clear because a drug reaction becomes an alternative possibility. If penicillin or related antibiotics have been given it is worth performing skin testing for penicillin and/or cephalosporin allergy, rather than making an unsubstantiated assumption that the child is “penicillin allergic.” Hepatitis B, infectious mononucleosis (EB virus) and a large number of helminthic parasites may be associated with hives in all age groups.
Beyond allergic reactions, some medications are also associated with chronic hives. Non-steroidal anti-inflammatory drugs (NSAIDs) are the most notable, so your reaction could be due to something as common as aspirin. Antibiotics, codeine, morphine, and radiocontrast dye are also known to be triggers.
In some cases a condition called angio-oedema develops at the same time as hives. In this condition some fluid also leaks into deeper tissues under the skin, which causes the tissues to swell. See separate leaflet called Angio-oedema for more details:
When you have an allergic reaction to a substance, your body releases histamine and other chemicals into the blood. This causes itching, swelling, and other symptoms. Hives are a common reaction. People with other allergies, such as hay fever, often get hives.
Urticaria (or ‘hives’ or ‘nettle rash’) consists of blancheable, erythematous, oedematous papules or ‘weals’ (Fig. 1). These weals vary in size from 1 mm to many centimetres –‘giant urticaria’, and are usually intensely itchy. They are caused by vasoactive mediators, predominantly histamine, released from mast cells. In the vast majority of cases the weals are transient, lasting for only a few hours in any one place, but with new weals appearing in other places. This means that most urticarial rashes ‘move’ around the body – a useful pointer from the clinical history that the rash is urticarial. Urticaria is to be distinguished from ‘angioedema’, which is well-demarcated swelling, occurring within deep skin structures or in subcutaneous tissue (Fig. 2) and caused mainly by bradykinin production. Angioedema is not itchy, but may be painful. In about 50% of patients urticaria occurs alone; in about 40% of patients urticaria occurs with angioedema and in about 10% of patients angioedema occurs alone [1]. The aetiology of isolated angioedema is very often different from that of urticaria or urticaria with angioedema. The topic of isolated angioedema is to be reviewed in a further article in this series.