It is often confused with acne vulgaris, rosacea, and seborrheic dermatitis. The condition's precise etiology remains unknown, though it is often triggered by topical corticosteroids. Oral and ...

It can also show up on the neck, ankles, or in areas that bend such as the inner elbow. While the exact ... When infants develop seborrheic dermatitis, it's often known as "cradle cap." ...