Avoid the trigger if you know it
Take an over-the-counter antihistamine as directed on the label
Use a cool compress on the affected skin
Take a cool bath or shower
Wear loose, soft clothing
Avoid scratching
Avoid heat, alcohol, and strenuous exercise if they worsen symptoms
Use fragrance-free soap and moisturizer
Try calamine lotion or colloidal oatmeal if it helps
Seek medical care if hives are severe, keep returning, or last more than a few days
Get emergency help right away if you have trouble breathing, swelling of the lips, tongue, or throat, or dizziness