Tongue Fungi, Oral Thrush, Candida Albicans, Candidiasis, Yeast Infection

Ulcers in the Mouth
Appearance of round or oval spots
Learn about the types, symptoms and causes of mouth ulcers.

A mouth ulcer is the presence of a painful sore in the mouth. It occurs either on the cheeks or gums. Their color is red or yellow and occurs either singly or in clusters. [...]