Important Safety Information
Do not take BETASERON® (interferon beta-1b) if you are allergic to interferon beta-1b, to another interferon beta, to human albumin, or mannitol. See additional Important Safety Information below.

Contact Us

Models used for illustrative purposes only.

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For help with questions about BETASERON (interferon beta-1b), please call (toll-free)
1-888-84-BAYER. (1-888-842-2937)

To report a product complaint, please have your healthcare provider or specialty pharmacy contact Bayer Medical Information at: 1-888-84BAYER. (1-888-842-2937)

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For copay enrollment, call customer service at 647-245-5620 or visit https://www.savingscard.bayer.com/

For information on affording BETASERON, visit www.PatientAssistance.Bayer.US or call 1-866-228-7723.

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