The exact cause of perioral dermatitis is not known. However, it may appear after topical steroid creams are applied to the face to treat other conditions.
What Are the Symptoms of Perioral Dermatitis?
Perioral dermatitis results in bumps around the skin of the mouth, and a rash may appear around the eyes, nose, and forehead.
The condition usually is characterized by an uncomfortable burning sensation around the mouth.
How Is Perioral Dermatitis Diagnosed?
A doctor is likely to diagnose perioral dermatitis based on the skin's appearance. No tests are usually done. In some cases, a culture for bacteria may be needed to eliminate the possibility of infection.