Contact Us

If you have a question about a medical condition, consult with a healthcare professional or, in the case of an emergency, call 911 immediately.

You can contact us by phone, fax, or email.

Are you a patient with a question?

Consumer Affairs
Phone: 1-888-508-6978
Fax: 610-290-9729
Email: cslb-consumeraffairs@cslbehring.com
(Standard business hours are 9:00 am - 5:00 pm ET)

Are you a healthcare professional with a product-related question?

Medical Information
Phone: 1-800-504-5434
Fax: 610-878-4550
Email: medinfona@cslbehring.com
(Standard business hours are 9:00 am - 5:00 pm ET)

Would you like to report an undesirable effect with use of a CSL Behring product?

If you experience any undesirable side effect(s) with a CSL Behring product, talk to your doctor, pharmacist, or nurse. If you would like to report the side effect(s) to CSL Behring, please contact us at:

CSL Behring US Pharmacovigilance
Phone: 1-866-915-6958
Email: Adverse.Events.Global@cslbehring.com
(Available 24 hrs/day)

You are also encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088.

Do you have a media-related question or comment?

Corporate Media Inquiries
Tom Hushen
Phone: +1 267-769-6728

Product-Related Media Inquiries
James Freeman
Phone: +1 484.832.9045

(Standard business hours are 8:30 am - 5:00 pm ET)

Do you have a question or comment about CSL Plasma or the plasma donation process?

CSL Plasma

Visit the CSL Plasma website to get more information on donating plasma or to send your questions and comments.

For all other questions, please contact...

CSL Behring Headquarters, North America
Phone: 610-878-4000
Fax: 610-878-4009
Address:

PO Box 61501
1020 First Avenue
King of Prussia, PA 19406-0901 USA

(Standard business hours are 8:30 am - 5:00 pm ET)

We offer administration tips on request by our trained nurses if you have any questions regarding administration of Hizentra.

CLICK HERE to ask a question or schedule training time.