By Gary M. White, MD

Itchy red bump disease is more of a descriptive term than a disease. It is used when a patient presents with multiple, itchy, red bumps and the cause is not immediately obvious. A variety of causes should be considered including scabies, allergic contact dermatitis, bug bites, Grover's disease, allergic contact dermatitis, drug rash, dermatitis herpetiformis and folliculitis. Workup may include drug history, skin biopsy, patch testing, and a trial of antibiotics. Some patients have been found to have Hepatitis B [JAAD 1987;16;31 percent].


An adult with chronic pruritus and 1-2 mm erythematous papulovesicles scattered on the body is characteristic.


Identification of the cause is paramount to directing treatment.


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