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

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

For more information, visit our medical review board. Cold sores appear on and around a person's lips, often looking like a blister or scab. While relatively harmless, these sores are not typical ...

"Cold sores are caused by herpes simplex virus (HSV-1) and are really common. Some people don't always show symptoms, but for those who do, it can appear as painful blisters around the lips and ...

Cold Sore Product: Two 0.07 oz tubes of Abreva 10 Percent Docosanol Cold Sore Treatment Can Heal in 2.5 Days: Fever blister cream contains 10 percent docosanol to shorten the duration of cold sore ...

Cold sores are painful blisters on the lips that can form unsightly crusts. They are very common and are caused by the herpes simplex virus. The medical name for facial cold sores is herpes labialis.

Learn how to identify a cold sore vs. a pimple, canker sore, or chapped lips, and how to treat the problem fast.

"Both lip pimples and cold sores can pop up on the border of the lips, and a lip pimple can be mistaken for a cold sore," says Ko. However, cold sores, also known as oral herpes, are caused by the ...