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

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.

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.

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

It’s a gut-wrenching scene, watching a dance of death from a distance too far to do anything about it. Legally, anyway. On a mountain ridge, about 600 to 700 yards distant, two wolves are stalking ...

The ‘razor blade’ sore throat: What to know about the new COVID-19 variant that’s spreading The variant, NB.1.8.1, is projected to become the most prevalent strain of the virus in Ontario.

A new COVID-19 variant may be causing “razor blade” sore throats in people who get it. The Nimbus variant is driving a rise in COVID cases globally and in some ...

Cold sores are small blisters that usually appear around the mouth. Find out how long they last, the stages of healing, and treatments that may help.

Contrast therapy uses alternating hot and cold temperatures to reduce soreness and speed up recovery. Experts share how to do it at home safely.