A 20-year-old man presents with a 4-year history of a skin condition on his face. He tried an over-the-counter salicylic acid facewash that did not help much. The lesions are sometimes painful and ...

Pustules are a type of pimple filled with yellowish pus, often showing as red bumps with white centers that may feel tender. Pastules often appear on oily or sweaty areas such as the face, back, ...

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 ...

There are many skin conditions and other health conditions that may cause a forehead rash. Some require medical treatment. You may notice redness, bumps, or other irritation on your forehead. This ...

Gram-negative folliculitis (GNF) is one of the most common mimics and complications of acne and acne rosacea. First described by Fulton in 1968, 1 GNF in acne patients is a relatively rare ...

You’ve probably heard of psoriasis—the chronic inflammatory condition that can cause itchy, scaly patches on your skin. Less well-known is a rare form of the disease called pustular psoriasis, which ...