Thrush in the mouth

Skip Navigation
Thrush in the mouth, with close-up of thrush on tongue and inside of cheek

Thrush is a common infection of the mouth and tongue caused by the yeast Candida albicans. Thrush appears as white patches that look like cottage cheese or milk curds. When the patches are wiped away, the surface looks red and raw and may bleed.

Current as of: August 22, 2019

Author: Healthwise Staff
Medical Review: John Pope, MD, MPH - Pediatrics
Kathleen Romito, MD - Family Medicine
Adam Husney, MD - Family Medicine




The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.