Skin conditions are common and varied, but only about one-third of patients with dermatologic disorders are seen by a dermatologist. Thus it is essential that primary care physicians are familiar with and can recognize common skin ailments. This practical guide by a trio of experienced dermatologists assists primary care physicians in identifying and managing the many kinds of skin disorders that typically present to GP practices, including psoriasis, rosacea, benign growths, urticaria, cysts, and contact and atopic dermatitis.