Avoid foods that cause outbreaks. Many people are sensitive to certain foods that cause cold sores to appear when they are eaten in excess. If you tend to get cold sores easily, limit or stop eating the following foods:
Tea is not just a popular drink or morning ritual. It has a wide range of health benefits you didn’t know. The bioactive compounds of tea such as astringent, flavonoids, catechins, and phytonutrients can relieve the symptoms of HSV infection and cold sores. 
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Symptoms of fever blisters often vary. They do eventually go away on their own, once they’ve gone through the full cold sore life cycle. Unfortunately, this typically takes about 10-12 days, sometimes longer. The first outbreak, known as the primary infection, is always worse.
^ Kim H, Meier A, Huang M, Kuntz S, Selke S, Celum C, Corey L, Wald A (2006). “Oral herpes simplex virus type 2 reactivation in HIV-positive and -negative men”. J Infect Dis. 194 (4): 420–27. doi:10.1086/505879. PMID 16845624.
The sore will turn into a small scab the very same day, just put some Neosporin on it and sometimes as soon as the next day you can’t even tell it was ever there. I always see comments about not puncturing the cold sore, but the fluid within the sore is the virus duplicating and causing your sore to get bigger and thus take more time to heal. The alcohol kills the virus and with the salt mixture dries up the sore. I was skeptical the first time I did this, but it works and I would recommend at least trying it the next time you get a cold sore. My cold sores used to be MASSIVE and last for weeks, but now they only last a couple days and do not even look like cold sores after I’ve “worked” on them. I used to be so self-conscious when I got a cold sore, now they hardly affect my mood and are more of a slight annoyance for a couple days. Good luck to you all and I hope someone will benefit from this as I have.
A pure vanilla extract is also a natural ingredient, so the risk of any side effects is low. To apply it, dab a cotton swab or Q-Tip into the extract, and apply a thin coating directly over the blister. There is no need to wipe or rinse away, just allow it to soak in overnight.
I use Spirit of Camphor…it’s what’s found in small doses in the over the counter remedies. Cheaper to buy a bottle, use a cotton swab and dab the area. Numbs it for pain, helps dry it up and then add a dab of petroleum jelly.
A cold sore looks like a blister, and it usually lasts for seven to 10 days, at which time it’s contagious. Over time, it breaks and oozes, then develop a yellow scab, with new skin growing underneath.
Never share eating utensils or beverages with anybody, especially when you have an active cold sore. The virus often lives in saliva, so you can also spread it if you share kitchen utensils or drinking glasses.
There are few risks or side associated with Abreva. As long as you make sure you’re not allergic to any of the ingredients in the formula, it’s a safe product to use. It’s so safe, in fact, that you can use it up to five times a day for faster results.
I woke up with a massive cold sore on my upper lip this morning, my lip was swollen and it was so painful. I tried the pure vanilla extract trick, and 6 hours later it’s almost completely gone, you can’t even see it anymore! It immediately reduced swelling and helped with the pain, I put it on every couple of hours which is more than is recommended. It does dry your lips out, but it’s definitely worth it to get rid of a cold sore quickly. Definitely try this trick!
HSV-1 has been proposed as a possible cause of Alzheimer’s disease. In the presence of a certain gene variation (APOE-epsilon4 allele carriers), HSV-1 appears to be particularly damaging to the nervous system and increases one’s risk of developing Alzheimer’s disease. The virus interacts with the components and receptors of lipoproteins, which may lead to its development.