Mouth sores are lesions on any of the soft tissues of the mouth. They are usually minor irritations but may be more serious. Learn about causes and treatments.

This article will discuss oral precancers such as leukoplakia, erythroplakia, and other conditions. It will also describe how doctors diagnose and respond to precancerous mouth cancer.

Sores Inside Your Mouth. When you have HIV, there are several reasons the inside of your mouth might hurt. ... Oral hairy leukoplakia. These are white patches with ridges in them.

Oral lichen planus vs. leukoplakia. Both oral lichen planus and leukoplakia affect the tissue lining of your mouth (mucosa), and their symptoms appear on your gums, inside your cheeks, or your tongue.

Head and neck cancers arise in the nasal cavity, sinuses, lips, mouth, salivary glands, throat or larynx. As per the National ...

It is also linked with badly fitting dentures that constantly rub your gums, or the inside of your mouth or tongue. In most cases, the cause is unknown (idiopathic). People who have long term exposure ...

The 5 warning signs you shouldn’t dismiss 1. Persistent mouth sores that don’t heal. Any sore or ulcer in your mouth that lasts longer than two weeks deserves professional attention.

In contrast, canker sores are confined to the inside of the mouth and are not contagious. Additionally, other conditions, such as oral thrush and leukoplakia, can resemble canker sores.