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

There are many possible causes of a canker sore in the throat. It may cause pain, especially when eating certain foods. Learn more here.

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 ...

What starts as a subtle tingle or burning in your mouth can signal something more painful on the horizon: a pesky canker sore. For some, the ulcers are just a mild annoyance. But for many of us ...

Sodium lauryl sulfate, a common ingredient used to make toothpaste foamy, has been linked to longer-lasting, more-painful canker sores.

Canker sores usually last for 1–2 weeks, depending on the type of lesion. We look at how long canker sores take to heal and how to treat them.

Canker sores are lesions in the mouth that usually aren’t serious, but they can be extremely irritating. Here are answers to commonly asked questions about these mouth sores. Canker sores are ...

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

A small lesion in the mouth is most likely a harmless canker sore. But if it doesn’t improve within a couple of weeks, see a doctor or dentist to make sure it’s not something more serious.

Canker sores are the commonest cause of mouth ulcers. They are usually benign and resolve on their own in 1 to 3 weeks.

If you have painful, white and red spots in your mouth, you may have canker sores, but what can you do about them? The ulcers are typically small and painful and can affect eating and drinking ...