A sore on the side of the tongue can develop for various reasons, including canker sores, cold sores, or a minor injury. Less commonly, a sore on the tongue may be a sign of cancer. In some cases, ...

A canker sore in the throat can be painful. However, home remedies, such as sucking an ice cube or using a saltwater gargle, may provide relief. Also known as mouth ulcers or aphthous ulcers, canker ...

Casey Gallagher, MD, is a dermatologist and clinical professor in the Department of Dermatology at the University of Colorado Denver. Cold sores are contagious until they are completely healed.

Canker sores are small, painful reddish lesions in the mouth that have a white or yellow center. Some causes of canker sores are spicy/acidic foods, vitamin deficiencies, braces, and stress. Most ...

Herpes simplex virus (HSV), the virus that causes cold sores, is extremely common. In fact, about two-thirds of people under 50 have it, according to an estimate from the World Health Organization ...