Interferon beta-1b

Generic name: interferon beta-1b [ in-ter-FEAR-on-BAY-ta-1b ]
Brand names: Betaseron, Extavia
Dosage form: subcutaneous powder for injection (0.3 mg)
Drug class:Interferons

Medically reviewed by Drugs.com on Oct 9, 2020. Written by Cerner Multum.

What is interferon beta-1b?

Interferon beta-1b is used to treat is used to treat relapsing forms of multiple sclerosis (MS). interferon beta-1b will not cure MS, but it may decrease flare-ups.

Interferon beta-1b may also be used for purposes not listed in this medication guide.

Warnings

Get emergency medical help if you have signs of a serious allergic reaction, such as a rash, itching, or swelling in your mouth or tongue.

Some people have thoughts about suicide while taking interferon beta-1b. Stay alert to changes in your mood or symptoms. Report any new or worsening symptoms to your doctor.

Interferon beta-1b can harm your liver. Call your doctor at once if you have nausea, vomiting, itching, bruising or bleeding, or yellowing of your skin or eyes.

Before taking this medicine

You should not use interferon beta-1b if you are allergic to interferon beta, albumin, or mannitol.

Tell your doctor if you have ever had:

• liver disease;

• heart problems;

• a seizure;

• depression, anxiety, or sleep problems;

• a bleeding or blood-clotting disorder;

• low white blood cell (WBC) counts;

• anemia (lack of red blood cells); or

• an allergy to latex.

Tell your doctor if you are pregnant or breastfeeding.

How should I use interferon beta-1b?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.

Interferon beta-1b is injected under the skin, usually every other day. A healthcare provider may teach you how to properly use the medication by yourself.

Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you don't understand all instructions.

Prepare an injection only when you are ready to give it. Do not use if the medicine looks cloudy, has changed colors, or has particles in it. Call your pharmacist for new medicine.

Your healthcare provider will show you where on your body to inject interferon beta-1b. Use a different place each time you give an injection. Do not inject into the same place two times in a row.

You will ne...