DefinitionPerioral dermatitis is a skin disorder characterized by tiny red bumps (papules) around the mouth.Causes, incidence, and risk factorsPerioral dermatitis most commonly affects young women. However, it sometimes affects men, too. While its exact cause is unknown, it may appear after skin creams containing steroids are applied to the face to treat other conditions.SymptomsPerioral dermatitis is usually characterized by an uncomfortable burning sensation around the mouth. Itching is not a common symptom.In most cases, bumps (papules) and fluid- or pus-filled bumps (vesicopustules) are seen around the mouth. Rarely, a similar rash may appear around the eyes, nose, or forehead. The rash appears very similar to acne.Usually, patients are most concerned with the cosmetic appearance of th