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

Canker sores typically take a couple of weeks to heal, but some home remedies may help reduce pain and irritation. A canker sore, or aphthous ulcer, is an open and painful mouth ulcer or sore. It ...

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.

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

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.

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

Unlike cold sores, canker sores are not contagious. They don't pose any health risk other than the discomfort that comes along with them. If your canker sore lasts longer than a couple of weeks ...

Canker sores and oral cancer lesions may seem similar but there are ways to tell the difference. A lesion that's red, typically flat, and painful early on is usually a canker sore (aphthous ulcer ...

Canker sores are small, open wounds, or ulcers, that can develop in a child's mouth. They typically heal within a few days or up to 2 weeks. Learn more here.

Cold sores and canker sores aren’t the same. They vary in appearance, symptoms, and how they spread. Also, here’s what it means if you get a canker sore after oral sex.

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 ...

While canker sores run their course — often a week-long slog — there are home remedies and drugstore treatments that can ease symptoms and encourage healing.