REPORT AN UNDESIRABLE EFFECT
Outside the U.S.
For all others, please use your local CSL Behring website to report an event.
U.S. FDA
You are also encouraged to report negative side effects of prescription drugs to the Food and Drug Administration.
Phone: 1-800-FDA-1088
REPORT A PRODUCT TECHNICAL COMPLAINT
Inside the U.S.
Phone: 800-504-5434
Fax: 610-290-0523
Email: ProductComplaintsUS@cslbehring.com
Complete the Facility Form, the Patient Form or the Specialty Pharmacy Form.
Outside the U.S.
Please use local, in-country CSL Behring websites to contact us.
See Our Worldwide Locations