Cold sores, caused by the herpes simplex virus (HSV), are contagious and common. Over-the-counter (OTC) creams, antiviral drugs, and home remedies can help treat them. Antiviral drugs can relieve cold ...

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 ...

Dermatologists give us the low-down. 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 ...

A cold sore is an infection caused by the herpes simplex virus (HSV), and appear as fluid-filled blisters that develop on the lip or around the mouth, according to the American Academy of Dermatology ...