It's worth noting that sometimes people see their healthcare provider for what they think is a pimple on the lip, but it is actually a cold sore. While lip pimples develop on the skin around the ...

"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 ...

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.

Rosie O'Donnell posted yet another video, this time discussing the unsightly sores on her lip while blasting Trump and his supporters.