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 ...

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.

Learn about malar rash, also called malar flush or butterfly rash. Find out what conditions cause this symptom and how they are treated.

While there isn't an established link between lupus and tonsil stones, people with lupus may be at a higher risk due to chronic inflammation and dryness.

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