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interferon beta-1b (generic name)

(in ter FEER on BAY ta 1b): An interferon - This medicine does not cure multiple sclerosis
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Interferon Beta-1b (E. coli) Solution for injection

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. You will need frequent blood checks.

Females of child-bearing age should use a reliable method of birth control. If you do get pregnant, immediately stop using the medicine, and contact your doctor or health care professional.

Flu-like symptoms are common with the medicine. Using this medicine at night may help. Ask your doctor or health care professional about taking acetaminophen or ibuprofen before your dose and for 24 hours after you receive your injection.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • a skin sore with a black-blue color, swelling, or drainage
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • depression or nervousness
  • difficulty breathing
  • fever, chills, or any other sign of infection
  • rapid heartbeat or palpitations
  • severe stomach pain
  • unusual bleeding or bruising
  • unusually weak or tired
  • yellowing of the skin or eyes

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • drowsiness
  • headache
  • menstrual changes
  • muscle aches
  • pain, redness, and irritation at the injection site

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). After mixing, if not used immediately, refrigerate the product and use within 3 hours. Do not freeze. Throw away any unused diluted injection. Throw away any unused medicine after the expiration date.

NOTE:This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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Last Updated

August 21, 2009

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