Cold sores, caused by the herpes simplex virus (HSV-1), can be painful and contagious. Preventing outbreaks involves ...

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 ...

It's not always clear what causes encephalitis, but it can be caused by: Viral infections – very rarely, encephalitis may be ...

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

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

Researchers at CU Anschutz offer new insights into the long-term effects of HSV-1 infection. Herpes simplex virus type 1 (HSV-1), the cause of the common cold sore, can spread into the central nervous ...

Many people don’t know just how common the virus that causes cold sores is in society. Unfortunately, the news just got worse ...

In this edition of The People’s Pharmacy, Joe and Teresa Graedon also hear from a reader with a question about using ivermectin to treat scabies.

We already know that the virus behind cold sores, herpes simplex virus type 1 (HSV-1), can also infect the brain and the central nervous system, and now a new study sheds more light on how the viral ...

The common cold sore virus, herpes simplex virus type 1 (HSV-1), may do more than just cause painful sores—it can invade the ...

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