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

A canker sore isn’t contagious. Symptoms include a small white or yellow oval-shaped ulcer, and a painful or tingling area in the mouth. Ulcers may appear inside the lips or cheeks. You may also ...

Canker sores, also known as aphthous ulcers, are annoying irritations inside the mouth that afflict as many as 20% of Americans. They are different from cold sores, which usually appear on the ...

Canker sores, though often overlooked, are a common oral health issue that can cause considerable discomfort. These small, painful ulcers typically form inside the mouth and can interfere with ...

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 vexing and common. The reason they occur isn’t clear, but your toothpaste could be a factor. An ingredient often used to make toothpaste foamy, sodium lauryl sulfate (SLS), has ...

Canker sores usually heal by themselves in a week or two, but they can be painful to live with during the healing process. If you’re looking for canker sore treatment to soothe your child’s ...

Canker sores, because of the inflammation, may have red and irritated borders. Location: There are different types of oral cancer, some more likely than others to affect specific sites.

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.

3. Your genes. Canker sores can also run in families. If you have parents or siblings prone to canker sores, you may be more likely to get them yourself.

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.