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Home > Health Library > Contact dermatitis
Contact dermatitis is a skin rash that results from contact with a substance that causes an allergic reaction. The rash usually starts within 48 hours of contact with the irritating substance. A minor reaction may cause mild redness of the skin or a rash of small red bumps. A more severe reaction may cause swelling, redness, and larger blisters.
Many things can cause contact dermatitis, including soaps, lotions, latex gloves, and plants such as poison ivy. The location of the rash may provide a clue about the cause.
Current as of:
March 3, 2021
Author: Healthwise StaffMedical Review: William H. Blahd Jr. MD, FACEP - Emergency MedicineAdam Husney MD - Family MedicineMartin J. Gabica MD - Family MedicineH. Michael O'Connor MD - Emergency Medicine
Current as of: March 3, 2021
Author: Healthwise Staff
Medical Review:William H. Blahd Jr. MD, FACEP - Emergency Medicine & Adam Husney MD - Family Medicine & Martin J. Gabica MD - Family Medicine & H. Michael O'Connor MD - Emergency Medicine
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