Seborrheic Dermatitis: An Overview

eborrheic dermatitis can affect patients from infancy to old age.1-3 The con-dition most commonly occurs in infants within the first three months of life and in adults at 30 to 60 years of age. In adolescents and adults, it usually presents as scalp scaling (dandruff) or as mild to marked erythema of the nasolabial fold during times of stress or sleep deprivation. The latter type tends to affect men more often than women and often is precipitated by emotional stress. An uncommon generalized form in infants may be linked to immunodeficiencies. Seborrheic dermatitis and pityriasis capitis (cradle cap) are common in early childhood