Cold sores and angular cheilitis can look somewhat similar, but they’re two different conditions. Learn more.

Canker sores from Crohn’s might at first appear similar to other mouth lesions like cold sores, and they can both be painful. But cold sores have a different cause — herpes simplex virus type ...

Canker sores are painful ulcers that occur in the mouth, including on gums. Here's a look at how to deal with them.

Cold sores could be a thing of the past for one in five sufferers. A revolutionary infrared device where light travels through cells making them more resistant to viruses ...

The first vaccine to protect against the herpes virus that causes cold sores could soon be on the market. The jab could eventually be given as routinely as the measles vaccination in childhood ...

Ulcerative colitis can affect more than just your gastrointestinal tract — it can affect your skin, too. Learn about symptoms and treatments for better skin health.