We will try to answer all requests within 2 business days.
For a timely response to questions about Hizentra not related to administration, please contact our Medical Information department at 1-800-504-5434 option 1.
Please note this is for healthcare professionals only. If you are a patient, please call Hizentra ConnectSM at 1-877-355-4447, Mon–Fri, 8 AM–8 PM ET.
Connect with CSL Behring Medical Affairs to find additional information and ask questions.