Contact Us

For general inquiries, please contact our Global Headquarters at 1-475-230-2596.

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.

To report a compliance or ethics concern, please visit Alexion.com/EthicsHotline. 

For SOLIRIS, STRENSIQ, KANUMA, or ULTOMIRIS order inquires, customer operations, case management, medical information, product complaints, or to inquire about the SOLIRIS REMS program or ULTOMIRIS REMS program, please call 1-888-765-4747. 

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

Alexion product and customer assistance

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