Cold sores, also known as fever blisters, can appear on your mouth or lip and are usually caused by oral herpes or herpes simplex virus type 1 (HSV-1). “It’s extremely ubiquitous,” says Alexandra ...

Add Yahoo as a preferred source to see more of our stories on Google. Getting sick leading up to the holidays brings its own set of headaches. If you’re anything like me, you’ll be worried about ...

Many people think of December and January as the two months of the year you're likely to catch the common cold, but “cold season” actually stretches from late August through April. That means only ...

There are more than 10 common skin diseases seen in adults, such as acne, atopic dermatitis (eczema), cold sores, hives, and psoriasis. It can be difficult to identify these skin problems by images ...

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 ...

Alas, those little (or uh, not so little) red bumps seem to pop up whenever they damn well please and wreak havoc on your life. A cold sore is an infection caused by the herpes simplex virus (HSV), ...