Lupus, an autoimmune disorder, presents skin manifestations like the butterfly rash, often mimicked by conditions such as rosacea, seborrheic dermatitis, dermatomyositis, psoriasis and solar urticaria ...

A malar rash, or malar flush, is a rash on the nose and cheeks. Some call it a butterfly rash because of its shape. It’s almost always a symptom of another disorder, such as lupus or rosacea.

From subtle rashes to sun-safety strategies, Drs Maureen McMahon and John Edminister discuss how to recognize cutaneous lupus and protect patients from UV-triggered flares.

An overview of porphyrias, lupus erythematosus, rosacea, drug-induced photosensitivity, polymorphous light eruption, and solar urticaria.