Cold sores, or fever blisters, are precisely herpes simplex virus type 1 (HSV-1) that appear as fluid-filled blisters around ...

ANSWER: The first antiviral drug developed for herpes simplex infections was Zovirax (acyclovir). It was first approved in ...

A 5-gram tube of Zovirax cream runs more than $200. A month’s supply of valacyclovir (500 milligrams) tablets costs between ...

Do you catch a cold frequently? Try these 18 tips and home remedies for cold that can provide quick relief from symptoms.

Cold sores are mouth herpes that appear as blisters beneath the skin’s surface around the mouth or on the lips. They are a ...

Medically reviewed by Katlein Franca, MD In some ways, the features of a cold sore vs. a pimple on the lip line are very ...