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

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

Mouth ulcers, which include canker sores, are small sores that develop within the mouth. There are no definite causes of mouth ulcers, but some injuries, allergies, or sensitivities may trigger them.

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.

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

A sore throat, loss of taste, and a burning tongue are telltale signs something is wrong. But the culprit might surprise you.

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

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.

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