Cold sores, often linked to HSV-1, are common and usually unrelated to sexual contact, unlike HSV-2, which is an STD.

Medically reviewed by Anju Goel, MD Herpes simplex virus (HSV) is a common—and one of the most confusing—infections. Two ...

Just a few days before your period, you might have noticed blisters or a single blister on your lower lip. Though not common, ...

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

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