Healthy eating is the main way to strengthen your immunity against cold sore causes. Ensure the food you put into your mouth is rich in vitamins E and C and minerals. Vitamin C is essential for boosting leucocytes, which are blood cells that engulf and digest pathogenic substances, necessary for your body defensive system. Vitamin E functions by relieving irritation, curing cold sores, and minimizing scarring. The best food sources and rich in these vitamins include broccoli, red berries, spinach, nuts, avocados, tomatoes, and leafy green vegetables. Avoid salty and acidic foods at all costs.
Echinacea can be especially useful for people with a weakened immune system. It’s most commonly used for people trying to get rid of a cold, but it’s a powerful immune system stimulator that can provide a signifiant therapeutic value, even when trying to fight a virus — like herpes simplex. (12) Drinking echinacea tea is an easy way to boost your immune system, reduce inflammation and alleviate pain too.
Apple cider vinegar (ACV) is one of the oldest and most effective remedies for cold sores. Its antibacterial, antiseptic and healing properties help kill the virus that causes the sores and simultaneously balances the pH level of your skin while drying out the blisters.
The herpes virus has an early warning system because it lives in your nerve cells. It can sense the slightest change in your temperature, stress levels, immune strength, and pH balance. When the conditions are favorable, the virus will head to the surface along your nerve fibers. Once at the surface, it will create new virus through its replication procedure thus producing the cold sore blister.
There are two types of herpes simplex infection: herpes simplex virus one (called HSV-1 for short) and herpes simplex virus two (called HSV-2 for short). Although both can cause cold sores around a person’s mouth, most are caused by HSV-1.
If you’re prone to cold sores and know the early signs, this is a great solution. You can use it at the first sign and avoid the more obvious symptoms altogether. Campho-Phenique cold sore treatment can prevent pain and embarrassment.
The exact cause of most canker sores is unknown. Stress or tissue injury is thought to be the cause of simple canker sores. Certain foods — including citrus or acidic fruits and vegetables (such as lemons, oranges, pineapples, apples, figs, tomatoes, and strawberries) — can trigger a canker sore or make the problem worse. Sometimes a sharp tooth surface or dental appliance, such as braces or ill-fitting dentures, might also trigger canker sores.
Since baking soda is alkaline based, it balances the pH level of the skin. Baking soda is effective in killing the virus responsible for cold sores and prevent an outbreak of the condition. It can reduce itch and swellings of cold sores as well. 
Cold sores are caused by the Herpes simplex virus type 1 (HSV 1). HSV 2 causes a small percentage of cold sores. The virus is spread between individual children by means of saliva contamination of toys, hands and other objects during play activities or children may pick up the virus by kissing someone who has the virus. The spread of infection can still occur from someone who does not have a visible sore, but has the virus in his or her saliva.
About 1 in 5 people in the UK have recurring cold sores. Cold sores usually resolve on their own without treatment in 7-10 days. Antiviral creams may help to reduce the severity of symptoms and are most effective the earlier they are used when a cold sore is starting to develop.
Labial herpes: This is the familiar cold sore that appears on the lip margins (labial refers to the lip). When labial herpes reappears, it usually occurs at the same location each time or a few millimeters away. L-lysine and other vitamin supplements have not been shown to speed healing or reduce outbreaks.
Worldwide rates of either HSV-1 or HSV-2 are between 60% and 95% in adults. HSV-1 is usually acquired during childhood. Rates of both increase as people age. Rates of HSV-1 are between 70% and 80% in populations of low socioeconomic status and 40% to 60% in populations of improved socioeconomic status. An estimated 536 million people worldwide (16% of the population) were infected with HSV-2 as of 2003 with greater rates among women and those in the developing world. Most people with HSV-2 do not realize that they are infected. The name is from Greek: ἕρπης herpēs which means “creeping” or “latent”.
Cold sores – you may hear them called fever blisters. Some people get them, others don’t. They’re itchy and painful, uncomfortable, and embarrassing. They’re the last thing that you want to deal with. Luckily, there are steps you can take to treat a cold sore once it emerges. Even better, there are ways to stop a cold sore in its tracks and prevent an outbreak altogether.
When you use peppermint oil to treat a cold sore overnight, you’re also working to prevent the spread of the infection. Keeping the herpes simplex virus at bay is important if you’re prone to flare-ups.
Avoid arginine-rich foods. The herpes simplex virus requires arginine, an essential amino acid found in many foods, for its metabolism. Experts suggest that reducing the intake of arginine-rich foods from your diet may help control the occurrence and recurrence of cold sores, while also reducing inflammation in existing sores..
The medicinal use of honey goes back to thousands of years back. People have been using honey as a home remedy for a number of health problems such as common cold, cold sores, asthma, fever, flu, congestion, digestive problems, etc.