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INREBIC® (fedratinib) is a prescription medicine used to treat adults with certain types of myelofibrosis (MF). It is not known if INREBIC is safe and effective in children.

Taking INREBIC

How to take INREBIC: Image of man and woman on boardwalk at a beach.

On this page:

    Important things to know before taking INREBIC

    Before taking INREBIC, talk to your healthcare team about all of your medical conditions, including if you:

    Icon of low red blood cell or platelet counts.

    Have low red blood cell or platelet counts

    Icon of liver problems.

    Have or have had liver problems

    Icon of kidney problems.

    Have or have had kidney problems

    Icon of breastfeeding.

    Are breastfeeding or plan to breastfeed. It is not known if INREBIC passes into your breast milk. You should not breastfeed during treatment with INREBIC and for at least 1 month after your last dose. Talk to your healthcare provider about the best way to feed your baby during treatment with INREBIC

    Talk to your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

    INREBIC and other medicines may affect each other, causing unwanted side effects.

    Know the medicines you take.

    Keep a list of them to show your healthcare provider and pharmacist when you get a new medicine.

    Please see Important Safety Information, Prescribing Information and Medication Guide for further details.

    How should I take INREBIC?

    • Take INREBIC exactly as your healthcare provider tells you to. Do not change your dose or stop taking INREBIC unless your healthcare provider tells you to
    • Take INREBIC 1 time each day
    • Take INREBIC with or without food. Taking INREBIC with a high fat meal may help to reduce nausea and vomiting symptoms
    • If you miss a dose of INREBIC, skip the missed dose and take your next dose at your regular time. Do not take 2 doses to make up for the missed dose

     

    Image of an actual INREBIC pill bottle and capsules.

    Capsules shown are not actual size.

    How should I store INREBIC?

    Always store INREBIC below 86 °F (30 °C).

    Keep INREBIC and all medicines out of the reach of children.

     

    Understand the importance of side effects.

    Find Out More

    Indication

    What is INREBIC® (fedratinib)?

    INREBIC is a prescription medicine used to treat adults with certain types of myelofibrosis (MF). It is not known if INREBIC is safe and effective in children.


    Important Safety Information

    WARNING: ENCEPHALOPATHY INCLUDING WERNICKE’S

    What is the most important information I should know about INREBIC?
    INREBIC may cause serious side effects, including:

    • Encephalopathy (including Wernicke’s encephalopathy). A serious and sometimes fatal neurological problem called encephalopathy (including Wernicke’s encephalopathy) has happened in some people who take INREBIC.

       

      Wernicke’s encephalopathy is a neurologic emergency that can happen if you do not have enough vitamin B1 (thiamine) in your body. Your healthcare provider will do a blood test to check your vitamin B1 level before starting and during treatment with INREBIC. Your healthcare provider may tell you to stop taking INREBIC and take a vitamin B1 supplement if you develop side effects during treatment with INREBIC.

       

      Call your healthcare provider right away if you develop diarrhea, nausea, or vomiting that does not respond to treatment.

       

      Get emergency medical help right away if you develop the following:

      • confusion, memory problems, or drowsiness
      • problems with balance and movement, such as difficulty walking
      • eye problems, such as double or blurred vision or abnormal eye movements

       

      Call your healthcare provider if you experience rapid weight loss or weight loss that does not get better with treatment.

       

    Before taking INREBIC, tell your healthcare provider about all your medical conditions, including if you:

    • have low red blood cell or platelet counts
    • have or have had liver problems
    • have or have had kidney problems
    • are breastfeeding or plan to breastfeed. It is not known if INREBIC passes into your breast milk. You should not breastfeed during treatment with INREBIC and for at least 1 month after your last dose. Talk to your healthcare provider about the best way to feed your baby during treatment with INREBIC.

     

    Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

     

    INREBIC and other medicines may affect each other causing unwanted side effects. Know the medicines you take. Keep a list of them to show your healthcare provider and pharmacist when you get a new medicine.

     

    How should I take INREBIC?

     

    What are the possible side effects of INREBIC?
    INREBIC can cause serious side effects, including:

     

    The most common side effects of INREBIC include:

     

    These are not all of the possible side effects of INREBIC.

     

    Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

     

    Please see full Prescribing Information, including Boxed WARNING and Medication Guide, for INREBIC.

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