Rash on Arms: Dermatitis herpetiformis is an extremely itchy rash made of bumps and blisters. The rash is chronic, which means it continues over a long period of time. This rash occurs on the arms and elbows. Other causes include eczema, allergies, contact dermatitis, psoriasis and others. See your dermatologist for a diagnosis and treatment.
Answered 3/10/2019
5.5k views
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
3 doctors weighed in across 3 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question