If you need to contact us for any reason, we have people waiting to help.

  • To report a side effect/adverse drug experience or quality complaint:

    Please call Mallinckrodt at 1-800-778-7898

  • If you have a nonemergency, product-related question:

    Please call Mallinckrodt at 1-800-778-7898 or email us at

  • For questions regarding insurance or reimbursement coverage for Acthar:

    Please call the Acthar Hub at 1-888-435-2284 or visit the Acthar Hub page on this site