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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

(Standard business hours are 9:00 am - 5:00 pm ET)

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

Medical Information

(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

(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

(Available 24 hrs/day)

Product-Related Media Inquiries

(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?

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

(Standard business hours are 9:00 am - 5:00 pm ET)