Perioral dermatitis is a rash that appears as clusters of inflamed skin and small raised bumps around the mouth and nose. The ...

Learn about rheumatoid vasculitis, neutrophilic dermatoses, and other rheumatoid arthritis rashes, their symptoms, and when ...

There are no blood tests that can diagnose plaque psoriasis. Medical imaging is also not a part of the diagnostic process.

Skin changes typical for PUPPP are erythematous, urticarial plaques, and papules. Rash regression is usually observed within 6 weeks postpartum. Immunologic mechanisms, hormonal abnormalities ...