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 ...

"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 ...

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 ...