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What happens if I miss a dose (Betaseron, Extavia)?

Use the medication as soon as you remember the missed dose. Then wait at least 48 hours before using another injection, and restart your dosing schedule at that time. Do not use more than one injection every 48 hours (2 days).

What happens if I overdose (Betaseron, Extavia)?

Seek emergency medical attention if you think you have used too much of this medicine. Symptoms of an interferon beta-1b overdose are not known.

What should I avoid while using interferon beta-1b (Betaseron, Extavia)?

Follow your doctor's instructions about any restrictions on food, beverages, or activity while you are using interferon beta-1b.

Interferons can lower the blood cells that help your body fight infections. This can make it easier for you to bleed from an injury or get sick from being around others who are ill. Avoid being near people who have colds, the flu, or other contagious illnesses. Contact your doctor at once if you develop signs of infection.

What other drugs will affect interferon beta-1b (Betaseron, Extavia)?

There may be other drugs that can affect interferon beta-1b. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about interferon beta-1b.

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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