Medically reviewed by Edmund Khoo, DDS Thrush, or oral candidiasis, is a fungal infection in your mouth and throat. It is caused by an overgrowth of yeast called Candida albicans. Candida is normally ...

For more information, visit our medical review board ... overgrowth that can cause oral thrush. 3. Oral Lichen Planus Oral lichen planus is an inflammatory condition that affects mucous membranes ...