Waking up with a spot on your lip is never a good feeling. Often cold sores or pimples are to blame, though telling the difference isn't always easy. They can look similar on the surface, but their ...

Medically reviewed by Katlein Franca, MD Key Takeaways Cold sores form clusters of fluid-filled blisters at the lip line that ...

A mysterious bump near your lips can be unsettling. Is it a harmless pimple or something more serious like a cold sore? Distinguishing between the two is crucial for effective treatment and prevention ...

Medically reviewed by William Truswell, MD Cold sores are contagious and spread through contact, such as kissing and sharing ...