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.

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For people with clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease...

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BETASERON® (interferon beta-1b) is a prescription medicine used to treat relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.

Effective therapy, BETASERON® (interferon beta-1b)

Effective Therapy. Proven Results.

In patients with clinically isolated syndrome (CIS), BETASERON was PROVEN to:

In patients with relapsing-remitting multiple sclerosis (RRMS), BETASERON was PROVEN to:

Learn more about efficacy

BETASERON and Its Heritage

BETASERON is the first FDA-approved medicine to reduce disease activity in patients with relapsing forms of multiple sclerosis (MS).

Learn more about BETASERON

Understand Safety

It's important to know the possible risks and benefits of BETASERON. Make sure you talk to your doctor to understand which possible side effects are more serious than others, as well as those that are more common.

Learn more about safety


BETASERON can cause serious side effects, including:

Liver Problems Including Liver Failure. Symptoms of liver problems may include yellowing of your eyes, itchy skin, feeling very tired, flu-like symptoms, nausea or vomiting, bruising easily or bleeding problems. Your healthcare provider will do blood tests to check for these problems while you take BETASERON.

Please see additional Important Safety Information below.

Be Active in
Your Treatment

The BETA track™ app can help you track your injections, daily wellness, and develop your discussion guide

With all this information right in your phone, you can then share with your healthcare provider.

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1. Treat


Beta Track Phone Icon

2. Track

with the BETA track app

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3. Share

your treatment and
wellness information with
your healthcare provider
via text or email

Beta Plus Nurse On Phone

Support Program

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Patient Support. Right From the Start.

BETASERON has over 25 years of clinical and patient experience since its launch in 1993 and provides a wide range of resources and services that we call BETAPLUS. When you become a BETASERON patient, the program provides you with personalized one-on-one support throughout your treatment. That includes an MS-trained BETA Nurse available 24/7, training and helpful tools, practical resources, financial assistance, and more.

Zero dollar copay, BETASERON® (interferon beta-1b)

Ongoing financial support

Need help making therapy affordable? A BETAPLUS coverage specialist is available to help you understand your pharmacy benefits and navigate insurance challenges.

Learn more about financial support
BETAPLUS is there 24/7, BETASERON® (interferon beta-1b)

24/7 BETA Nurse support

An MS-trained BETA Nurse gets to know you and, when you share your injection data over the phone, can provide ongoing support.

Learn more about BETA Nurse support
Keep track with myBETAapp, BETASERON® (interferon beta-1b)

The BETA track™ app

With your treatment and wellness information right at your fingertips, you can share with your healthcare provider and have a productive conversation.

Learn more about BETA track

Where to Next?