Contact Us

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.

Important Safety Information

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Who should  NOT take Acthar?

You should not take Acthar if you have: