Never heard of that: They r usually viral and it is possible to be immune to a virus.
Answered 6/12/2021
5.6k views
Of course: Cold sores are the result of reactivation of a previously experienced herpes oral infection. Known as a slow virus. Herpes gingivostomatitis is an exceedingly common childhood infection, like chicken pox. Immune system fights it off. But it lingers in tissues. Only a small percentage of people go on to get cold sores from its reactivation in later years. Like shingles and chicken pox.
Answered 5/27/2018
5.6k views
8 doctors weighed in across 2 answers
6 doctors weighed in across 4 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question