Mouth and Throat Sores (Mucositis)

by Fitcoachion | Last Updated: July 22, 2020


Mouth and throat sores, also called mucositis, look like ulcers and can be red and swollen. Pain from these sores can affect your ability to eat, drink, chew, swallow, and talk. If your immune system is suppressed, you may be more likely to get an oral yeast infection. Oral yeast infections can cause mouth and throat sores and can make any sores you have worse. An oral yeast infection looks like you have a coating of cottage cheese inside your mouth.

Some breast cancer treatments may cause mouth and throat sores:

Managing mouth and throat sores

If you think your mouth and throat sores have been made worse by an oral yeast infection, talk to your doctor about anti-yeast medications.

Learn more on our Eating When You Have a Sore Mouth or Throat page.

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