Anyone who has ever had a canker sore knows just how uncomfortable an ulcer can be. These painful, slow-healing sores can appear anywhere on your body, from your mouth to your skin to the lining of ...

Genital herpes infections are very common. There are 42 million new infections each year — that averages out to one new person infected each second. While treatments can help with symptoms, there's no ...

Cold sores are common infections in children. They’re also called fever blisters, oral herpes, or herpes labialis. Despite their name, cold sores don’t have anything to do with colds. Cold sores are ...