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

These painful and typically small lesions develop in the mouth and on the gums. Discover symptoms, causes, prevention tips, and much more.

Many people associate mouth ulcers with eating spicy or acidic foods, but the reality is far more complex. While diet can ...

The primary goals of therapy for RAU are relief of pain, reduction of ulcer duration, and restoration of normal oral function. Secondary goals include reductions in the frequency and severity of ...

A salt rinse can help a canker sore, ease the pain, and boost healing, along with other home remedies. If it doesn't help, you may need a prescription.

Aphthous stomatitis is the painful ulcers of the oral mucous membranes. These idiopathic noninfectious lesions are characterized by recurrent painful attacks (commonly known as "canker sores").

Cold sores and angular cheilitis can look somewhat similar, but they’re two different conditions. Learn more.

Mouth sores and gum problems can flare along with other Crohn’s disease symptoms. Learn how to manage these complications and why they happen.

What alternative remedies cure mouth ulcers? I keep getting mouth ulcers, especially when I am run down. Is there anything I can take to clear them up quickly and stop them coming back?

Cold sores are common, and they can sometimes appear under the nose. Learn about the symptoms, causes, treatment, and prevention of cold sores under the nose.