You just noticed a painful red bump on your lip. Is it a cold sore or a pimple? Sometimes it can be tough to tell. "It can be easy to confuse a cold sore and a pimple as both can appear as red ...

They generally don't appear on the thinner skin of the lips. Lip pimples are often mistaken for cold sores, which also appear ...

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"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 ...

"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 ...