Thrush is a yeast infection that causes white patches in the mouth and on the tongue. The patches look like cottage cheese. In a baby, thrush may also cause diaper rash.

Your doctor can prescribe medicine that will clear it up.

Current as of: August 21, 2015

Author: Healthwise Staff

Medical Review: John Pope, MD - Pediatrics & Thomas Emmett Francoeur, MD, MDCM, CSPQ, FRCPC - Pediatrics