Contact Us

In order to direct your inquiry to the correct department, please refer to the Customer Assistance menu below.

For medical information on Kanuma, Koselugo, Soliris, Strensiq or Ultomiris, please call 1-888-765-4747, or submit an electronic Medical Information Inquiry.

To report an adverse event experience for any Alexion product, please contact us at AdverseEventReporting@alexion.com or 1-844-259-6783.

To report an issue or complaint with an Alexion product, please contact us at  ProductComplaints@alexion.com or 1-888-765-4747.

For order inquires, case management, or to inquire about the Soliris Risk Evaluation and Mitigation Strategies (REMS), please call 1-888-765-4747. 

For information on KANUMA, SOLIRIS, or ULTOMIRIS returns in the U.S., please review our Return Goods Policy here. For information on KOSELUGO returns in the U.S., please review our Return Goods Policy here. 

To report a compliance or ethics concern, please visit www.AZEthics.com.