Stop using the suspected irritant or allergen
Wash the affected skin gently with lukewarm water and mild soap
Remove contaminated clothing, jewelry, or gloves
Apply cool compresses to reduce itching and inflammation
Use a fragrance-free moisturizer or petroleum jelly
Apply over-the-counter hydrocortisone cream as directed
Take an oral antihistamine for itching if appropriate
Avoid scratching or rubbing the area
Protect the skin from further exposure with gloves or barrier creams
Identify and avoid triggers such as soaps, detergents, cosmetics, metals, or plants
Seek medical care if the rash is severe, spreading, infected, or not improving
Get urgent help if there is facial swelling, trouble breathing, or widespread blistering