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Midostaurin

Generic Name: Midostaurin (mye doe STAW rin)
Brand Name: Rydapt

Medically reviewed on Sep 5, 2018

Uses of Midostaurin:

  • It is used to treat a type of leukemia.
  • It is used to treat mastocytosis.

What do I need to tell my doctor BEFORE I take Midostaurin?

  • If you have an allergy to midostaurin or any part of midostaurin.
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • If you are taking any of these drugs: Carbamazepine, enzalutamide, mitotane, phenytoin, rifampin, or St. John's wort.
  • If you are breast-feeding. Do not breast-feed while you take midostaurin or for 4 months after your last dose.

This is not a list of all drugs or health problems that interact with midostaurin.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take midostaurin with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Midostaurin?

  • Tell all of your health care providers that you take midostaurin. This includes your doctors, nurses, pharmacists, and dentists.
  • If you drink grapefruit juice or eat grapefruit often, talk with your doctor.
  • If you have high blood sugar (diabetes), talk with your doctor. This medicine may raise blood sugar.
  • Check your blood sugar as you have been told by your doctor.
  • Tell your doctor if you have signs of high blood sugar like confusion, feeling sleepy, more thirst, more hungry, passing urine more often, flushing, fast breathing, or breath that smells like fruit.
  • You may have more chance of getting an infection. Wash hands often. Stay away from people with infections, colds, or flu.
  • You may bleed more easily. Be careful and avoid injury. Use a soft toothbrush and an electric razor.
  • Have blood work checked as you have been told by the doctor. Talk with the doctor.
  • If you have upset stomach, throwing up, loose stools (diarrhea), or are not hungry, talk with your doctor. There may be ways to lower these side effects.
  • Call your doctor right away if you have signs of a blood clot like chest pain or pressure; coughing up blood; shortness of breath; swelling, warmth, numbness, change of color, or pain in a leg or arm; or trouble speaking or swallowing.
  • This medicine may affect fertility. Fertility problems may lead to not being able to get pregnant or father a child. Talk with the doctor.
  • If you are a man and have sex with a female who could get pregnant, protect her from pregnancy during care and for at least 4 months after stopping midostaurin. Use birth control that you can trust.
  • If you are a man and your sex partner gets pregnant while you take midostaurin or within 4 months after your last dose, call your doctor right away.
  • This medicine may cause harm to the unborn baby if you take it while you are pregnant.
  • If you are able to get pregnant, a pregnancy test will be done within 1 week before you start midostaurin. Talk with your doctor.
  • Use birth control that you can trust to prevent pregnancy while taking midostaurin and for 4 months after your last dose.
  • If you get pregnant while taking midostaurin or within 4 months after your last dose, call your doctor right away.

How is this medicine (Midostaurin) best taken?

Use midostaurin as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • Take midostaurin with food.
  • Swallow whole. Do not chew, open, or crush.
  • To gain the most benefit, do not miss doses.
  • Keep taking midostaurin as you have been told by your doctor or other health care provider, even if you feel well.
  • Other drugs may be given before midostaurin to help avoid side effects.
  • If you throw up after taking a dose, do not repeat the dose. Take your next dose at your normal time.

What do I do if I miss a dose?

  • Skip the missed dose and go back to your normal time.
  • Do not take 2 doses at the same time or extra doses.

See also: Dosage Information (in more detail)

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of infection like fever, chills, very bad sore throat, ear or sinus pain, cough, more sputum or change in color of sputum, pain with passing urine, mouth sores, or wound that will not heal.
  • Signs of skin infection like oozing, heat, swelling, redness, or pain.
  • Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
  • Signs of electrolyte problems like mood changes, confusion, muscle pain or weakness, a heartbeat that does not feel normal, seizures, not hungry, or very bad upset stomach or throwing up.
  • Signs of high or low blood pressure like very bad headache or dizziness, passing out, change in eyesight.
  • Flushing.
  • Chest pain.
  • Pinpoint red spots on the skin.
  • Sweating a lot.
  • Swelling.
  • A heartbeat that does not feel normal.
  • Very bad dizziness or passing out.
  • Not able to focus.
  • Shakiness.
  • Feeling very tired or weak.
  • Any unexplained bruising or bleeding.
  • Throwing up blood or throw up that looks like coffee grounds.
  • Black, tarry, or bloody stools.
  • Very bad and sometimes deadly lung problems have happened with midostaurin. Call your doctor right away if you have lung or breathing problems like trouble breathing, shortness of breath, or a cough that is new or worse.

What are some other side effects of Midostaurin?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Mouth irritation or mouth sores.
  • Headache.
  • Muscle or joint pain.
  • Bone pain.
  • Nosebleed.
  • Signs of a common cold.
  • Not able to sleep.
  • Dry skin.
  • Weight gain.
  • Hard stools (constipation).
  • Feeling tired or weak.
  • Dizziness.
  • It is common to have diarrhea, upset stomach, throwing up, and stomach pain with midostaurin. A low-fat diet may help lower the chance of having these side effects. Call your doctor if you any of these side effects is very bad, bothers you, or does not go away.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

See also: Side effects (in more detail)

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Midostaurin?

  • Store in the original container at room temperature.
  • Store in a dry place. Do not store in a bathroom.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Consumer information use

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else's drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about midostaurin, please talk with your doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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