sores in corner of mouth causes
Sores in corner of mouth appear again and again when your immune system is not at its optimum. Certain other factors such as constant stress, hormonal changes and poor dental hygiene, digestive disturbances is known to trigger sores in mouth as well as in its corners.
Pink sores in the corners of the mouth are often caused by a naturally occurring fungus. If there is. a wrinkle or small fold of skin at the corner of the lips, moisture can collect there. This is commonly seen. with age, and in people that wear dentures. It is common in winter if the lips become dry and are licked.