Then there is hand, foot and mouth disease, a viral condition particularly seen in children. It causes a rash of sores and blisters affecting the hands, feet and in and around the mouth. Even the ...

Mouth ulcers are small, painful sores that appear on the inside of the cheeks, lips, or tongue. They are incredibly common.

A canker sore—a painful white ulcer inside the mouth—might be brought on by stress. Or the wrong toothpaste. Or certain foods: tomatoes, peanuts, cinnamon. Or an iron deficiency. Or an allergy. Or a ...

Mouth ulcers are one of those things most people have dealt with at some point, that small but surprisingly painful sore that ...

A lack of essential nutrients can cause ulcers. Deficiency of vitamin B12 and iron has been linked to recurrent mouth ulcers.

Infections, injuries, jaw problems, and cancer can all cause mouth pain. The location and type of pain, plus any other symptoms that occur with it, can help with identifying the cause. The pain may ...

Canker sores are inflamed spots in your mouth that cause pain and typically heal within a couple of weeks. Oral cancer may cause raised spots or patches in your mouth that worsen over time. Share on ...

Cold sores are a symptom of oral herpes, which is caused by the herpes simplex virus. Angular cheilitis is less common and has several different causes. Each condition is treated differently. Mouth ...

Sarah Bradley is a writer with six years of experience creating personal essays, reported features, and content related to health and parenting topics. Jonathan B. Jassey, DO, is a private ...