Treatments and drugsBy Mayo Clinic staff
Poison ivy treatments are usually limited to self-care methods, and the rash typically goes away on its own within two or three weeks.
If the rash is widespread or results in a large number of blisters, your doctor may prescribe an oral corticosteroid, such as prednisone, for poison ivy treatment. If a bacterial infection has developed at the rash site, your doctor will likely give you a prescription for an oral antibiotic.
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