People with oral thrush typically develop white, bumpy patches on their tongue, inner cheeks, gums, tonsils or throat ( 11 ). The lesions can be painful and may bleed slightly when scraped. Oral thrush is also often associated with redness or soreness of the tongue and mouth ( 12 ).

What can be mistaken for oral thrush?

Hairy leukoplakia causes fuzzy, white patches that resemble folds or ridges, usually on the sides of your tongue. It's often mistaken for oral thrush, an infection marked by creamy white patches that can be wiped away, which is also common in people with a weakened immune system.

How do I know oral thrush?

Signs and symptoms may include: Creamy white lesions on your tongue, inner cheeks, and sometimes on the roof of your mouth, gums and tonsils. Slightly raised lesions with a cottage cheese-like appearance. Redness, burning or soreness that may be severe enough to cause difficulty eating or swallowing.