Nickel allergy is a condition in which contact with items containing nickel causes an itchy rash and possibly blisters at the site of contact. The top photo shows a positive patch test (on the left), after a patch containing nickel was left on the skin for 48 hours. The lower photo shows nickel allergy from metal in clothing, such as a belt buckle.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Mayo Clinic researchers drive discoveries that improve detection, diagnosis and treatment. Your quick message to them means so much.