Acne vulgaris and similar eruptions

Acne vulgaris is a very common inflammatory dermatosis and is one of the most frequently seen conditions in dermatology departments. The pathophysiology is not completely understood; however, improved understanding over the last decade has helped to ensure a logical approach is adopted in the treatment of acne. This article provides information on pathogenesis and assessment of acne as well as an up-to-date review of management strategies available for mild, moderate and severe disease. Scarring as a result of acne is a common sequel and possible treatment for specific types of acne scarring is included. Acne fulminans, infantile acne and pyoderma faciale represent unusual forms of acne; their presentation and treatment is discussed. Acne is seldom misdiagnosed, but occasionally conditions may resemble acne. These are discussed.