Learn the key differences between pimples and cysts, plus safe treatment options, and when to see a doctor for skin bumps today.

Generalized pustular psoriasis (GPP) is the rarest form of psoriasis, a chronic autoimmune skin condition. Unlike other forms, GPP can be severe or even life-threatening. The disease causes flares of ...

Marisa Garshick, MD, FAAD, is a board-certified dermatologist and clinical assistant professor of dermatology. Skin lesions can be primary (present from birth or develop later in life) or secondary ...

Katlein Franca, MD, is a dermatologist and clinical associate professor of Dermatology & Cutaneous Surgery and Psychiatry & Behavioral Sciences at the University of Miami. Boils start as tender bumps ...

Sleep crust, also called eye gunk or rheum, is a mix of mucus, tears, and skin cells that builds up overnight when you stop blinking. It is common, especially during allergy seasons. Extra crust can ...