Cold sores: Cold sores ( fever blisters) are caused by the herpes simplex virus hsv-1. There is no cure. They generally heal in two weeks. Antiviral medications may help them heal faster and may help prevent re- occurances.
Answered 4/5/2013
5.2k views
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question