An exanthem is any eruptive skin rash that may be associated with fever or other systemic symptoms. Causes include infectious pathogens, medication reactions and, occasionally, a combination of both.

Yet a trip to Puerto Rico with friends did just that. “It was a poor decision to travel there, knowing how the sun affected my skin,” she admits. “I developed a horrible lupus rash all over my ...

The American College of Rheumatology (ACR) loosely defines photosensitivity as "a skin rash as a result of unusual reaction to sunlight." Beyond skin rashes that can develop, exposure to the sun can ...

Dermatologists should look out for the cutaneous signs of measles such as a rash or white spots inside cheeks. The American Academy of Dermatology has created a measles resource center for ...

Medically reviewed by Susan Bard, MD Some causes of underarm rash include infection, allergic reaction, and inflammation. Itchy, inflammatory, bacterial, or fungal rashes in your armpit can be mild or ...