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, ...

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

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

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 ...