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

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 ...

Mouth ulcers can be incredibly frustrating—they make eating, talking, and even smiling painful. These sores pop up due to ...

Aftre being diagnosed in February, cancer-stricken King Charles is said to be suffering painful lip sores, fatigue and ...

"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 ...