Acthar is a prescription medicine to be used as a short-term, add-on therapy in the event of symptoms suddenly worsening (flare) for rheumatoid arthritis, including juvenile rheumatoid arthritis. Some cases may require maintenance therapy.


To report a side effect/adverse drug experience or quality complaint, please call Mallinckrodt at 1-800-778-7898.

If you have a non-emergency, product-related question, please call Mallinckrodt at 1-800-778-7898 or e-mail us at

For questions regarding insurance or reimbursement coverage for Acthar, please call the Acthar Support & Access Program at 1-888-435-2284 or visit our Patient Support Services.


DO NOT take Acthar until you have talked to your doctor if you have any of the following conditions:

  • A skin condition called scleroderma
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