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PEGINTERFERON BETA-1a helps to decrease the number of multiple sclerosis attacks and to slow disability in people with relapsing forms of the disease. This medicine does not cure multiple sclerosis. Compare interferon betas.

Insurance Coverage: Many major insurance plans no longer cover Plegridy starting in 2016. Learn More

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What is Plegridy?

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What should I tell my doctor?TOP

They need to know if you have any of these conditions:

  • bleeding disorders
  • heart disease
  • history of irregular heartbeat
  • if you often drink alcohol
  • immune system problems
  • kidney disease
  • liver disease
  • low blood counts, like low white cell, platelet, or red cell counts
  • mental illness
  • seizures
  • suicidal thoughts, plans, or attempt; a previous suicide attempt by you or a family member
  • thyroid disease
  • an unusual or allergic reaction to interferon, peginterferon, or other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this drug?TOP

This medicine is for injection under the skin. You will be taught how to prepare and give this medicine. Remove the injection from the refrigerator about 30 minutes prior to use so it can warm to room temperature. Do not use heat sources such as hot water to warm the injection. Use exactly as directed. Take your medicine at regular intervals. Do not take it more often than directed.

It is important that you put your used needles and syringes in a special sharps container. Do not put them in a trash can. If you do not have a sharps container, call your pharmacist or healthcare provider to get one.

A special MedGuide will be given to you by the pharmacist with each prescription and refill. Be sure to read this information carefully each time.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?TOP

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

Where should I store this drug?TOP

Keep out of the reach of children.

Keep this medicine in the original carton. Protect from light. Store in a refrigerator between 2 and 8 degrees C (36 and 46 degrees F). Do not freeze. If refrigeration is not available, store at cool room temperature between 2 and 25 degrees C (36 and 77 degrees F) for a period up to 30 days. The injection can be removed from, and returned to, a refrigerator if necessary. The total combined time out of refrigeration should not exceed 30 days. Make sure you do not expose the injection to heat and do not store it at temperatures warmer than those listed. Throw away any unused medicine after the expiration date on the label.

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