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All About Bleeding

Contact Us

We depend on your feedback to maintain a high-quality resource for information about CSL Behring and its products and therapies. You may use the form below or contact us by telephone.
CSL Behring LLC

+1 610-878-4000
+1 610-878-4009
North America Headquarters
P.O. Box 61501
1020 First Avenue
King of Prussia, PA
19406 USA
CSL Behring Worldwide Locations

Consumer Affairs
For Consumer Information

Adverse Reaction
To Report an Adverse Reaction
Phone (available 24 hours/day):

+1 888-508-6978
+1 610-878-4008

+1 866-915-6958

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