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Interferon beta-1b

Immune support suring times of: Seasonal colds and flu.

Checked against the official label · Updated

Sold without prescription in some countries Oral

Interferon beta-1b: quick answers

Used for
Immune support suring times of: Seasonal colds and flu.
Usual adult dose
Adults and children 12 years and older 5 pellets 3 times per day Children between 12 years and 6 years of age 3 pellets 3 times per day.
Children
Children under 6 years 1 pellet 3 times per day to be disoolved into a little water.
Prescription
Sold without prescription in the United States; rules differ by country.

From the official label (Jan 2025). Your prescription and pharmacist come first.

How to use Interferon beta-1b

What the official label says. If a doctor prescribed it, follow the prescription. Your pack's leaflet comes first if it is different.

Who it is for

Immune support suring times of: Seasonal colds and flu

How to take it and how often
  • Take 15 minutes before meals
  • Adults and children 12 years and older 5 pellets 3 times per day Children between 12 years and 6 years of age 3 pellets 3 times per day
  • Children under 6 years 1 pellet 3 times per day to be disoolved into a little water
While you are taking it
  • Turn tube upside down and rotate cap to release pellets into cap
  • Unscrew cap and without touching pellets tip them into the mouth under the tongue
  • Allow to dissolve Take 15 minutes before meals
Warnings

Stop use and ask doctor if symptoms persist more than 5 days or worsen. If pregnant or breast-feeding ask a health professional before use. Keep out of reach of children.

Possible side effects

Stop use and ask doctor if symptoms persist more than 5 days or worsen.

Pregnancy and breastfeeding

PREGNANCY If pregnant or breast-feeding ask a health care professional before use.

How to store it

Keep out of reach of children.

If you miss a dose

Take it when you remember, unless it is nearly time for the next dose. Then skip the missed one. Never take two doses at once to make up for it. Check your leaflet, as some medicines are different.

From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2025-01-10.

Brands around the world

Products with Interferon beta-1b as the active ingredient. Names differ between countries.

Check your pack of Interferon beta-1b

Type the registration number on the pack, or scan it with your camera.

Or take photos of the pack
3 free checks left today Official sources: U.S. FDA · EMA (EU) · Health Canada · WHO alerts

Questions about Interferon beta-1b

What is Interferon beta-1b used for?

Immune support suring times of: Seasonal colds and flu (From the official U.S. FDA label.)

How do I take Interferon beta-1b?

Follow your prescription or the leaflet in your pack. The official label says: Take 15 minutes before meals Adults and children 12 years and older 5 pellets 3 times per day Children between 12 years and 6 years of age 3 pellets 3 times per day Children under 6 years 1 pellet 3 times per day to be disoolved into a little water…

Can I take Interferon beta-1b while breastfeeding?

If pregnant or breast-feeding ask a health professional before use. Ask your doctor or midwife first.

Do I need a prescription for Interferon beta-1b?

In many countries Interferon beta-1b is sold without a prescription in some strengths. Rules differ by country, so ask a pharmacist.

What brands contain Interferon beta-1b?

Interferon beta-1b is sold under names such as Betaseron, Extavia, Citomix. Brand names differ between countries.

What are the side effects of Interferon beta-1b?

The official label lists: Stop use and ask doctor if symptoms persist more than 5 days or worsen. Tell your doctor about any side effect that bothers you or does not go away.

Can children take Interferon beta-1b?

The label gives a separate dose by age: children 12 years and older 5 pellets 3 times per day Children between 12 years and 6 years. Check the pack or ask a pharmacist.

Can I take Interferon beta-1b when pregnant or breastfeeding?

If pregnant or breast-feeding ask a health care professional before use. Ask your doctor or midwife first.

How can I check that my Interferon beta-1b is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.

Sources

This page shows what official sources say, in plain words. It is not medical advice: your prescription and your doctor or pharmacist come first. Brand names, strengths and rules differ between countries.