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

Medically reviewed by Renita White, MD Mouth and tongue lesions are often one of the first symptoms of human immunodeficiency ...

Discover 7 proven kitchen remedies for painful canker sores, from honey to salt water, plus learn how to identify your personal triggers and prevent outbreaks.

Natural remedies for canker sores that help reduce pain and speed up healing include honey, aloe vera, and saltwater rinses, among others.

Understanding the triggers of a canker sore can help you prevent future flare-ups, but when they strike, treatment is key. We share 7 ways to treat a canker sore.

Canker sores are usually only fleetingly painful. But sometimes, they may be signs of a chronic problem.

Learn about canker sores, their causes, treatments, and when to consult a doctor for effective relief.

Question What is the difference between a canker sore and a cold sore? Answer Canker sores and cold sores are common but distinct oral conditions that often get confused. Understanding the difference ...

Find out what causes canker sores in children and learn how you can help your child if these painful mouth ulcers keep coming back after treatment.