Prev post1 of 3Next Fever blisters, also known as cold sores, are caused by the herpes simplex type 1 virus. An outbreak usually occurs on or around the mouth and typically heals within two to three weeks. Fever blisters can be a lifelong irritant, since the virus remains dormant in the body throughout your life.
Best remedy for cold sores: raw honey and turmeric. Dab on as a paste. Use early, use often. See the blog for the science. http://www.thehealthyhomeeconomist.com/effective-home-remedies-for-cold-sores-fever-blisters/