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.

Intravenous dexamethasone administered before surgery effectively reduces the incidence of rebound pain after resolution of the nerve block in patients undergoing wrist and hand procedures.

A team of engineers at the University of California, Los Angeles, working with a colleague from K Medical LLC, has developed a pressurized mattress that reduces the likelihood of developing bed ...

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.

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.

I used to have sores on the side of my mouth at her age, not cold sores, and it seems similar but a lot worse. Is there anything we could get that could clear it up?

Having a dry mouth makes it uncomfortable to do basic things like breathe, speak, and swallow. Kind of important stuff. The good news is that the best dry mouth treatment for you is out there ...

Mouth breathing can cause dry mouth, bad breath, and sleep issues. Find out why it happens, what symptoms to watch for, and how to treat it effectively.

Experts explain oral yeast infections (oral thrush, candidiasis of the mouth)—including oral thrush symptoms, treatment options, and prevention methods.