Healthcare professionals, patients or caregivers may request specific product information, report an adverse event or report a product complaint for a Regeneron product to our Global Medical Information Department. Please call 1-844-REGN-MID (1-844-734-6643) for further information.

To report an adverse event or product complaint for a Regeneron product outside of the United States please refer to the country specific Global Medical Information contact list.

With our commitment to patient safety, if you are reporting an adverse event or product complaint, please report as much relevant information as possible which may include product indication, lot number and return availability.

Please complete the form below. All fields required unless noted.*