Treatments and drugs
By Mayo Clinic staffPoison ivy treatments are usually limited to self-care methods, and the rash typically goes away on its own within two to four weeks. In the meantime, you can use poison ivy remedies, such as oatmeal baths and cool compresses, as well as over-the-counter anti-itch medications to relieve your signs and symptoms.
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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