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Ibrutinib

Generic Name: ibrutinib (eye BROO ti nib)
Brand Name: Imbruvica

Medically reviewed by Drugs.com on Oct 5, 2018 – Written by Cerner Multum

What is ibrutinib?

Ibrutinib is used to treat mantle cell lymphoma, marginal zone lymphoma, Waldenstrom's macroglobulinemia, chronic lymphocytic leukemia, and small lymphocytic lymphoma.

Ibrutinib is also used to treat chronic graft-versus-host disease.

Ibrutinib is usually given after other treatments have failed.

Ibrutinib may also be used for purposes not listed in this medication guide.

Important Information

ibrutinib can make it easier for you to bleed. Contact your doctor or seek emergency medical attention if you have easy bruising, unusual bleeding, or any bleeding that will not stop. You may also have bleeding on the inside of your body, such as in your stomach or intestines, or in your brain.

Call your doctor at once if you have signs of bleeding inside your body, such as: dizziness, weakness, confusion, headache, speech problems, black or bloody stools, pink or brown urine, or coughing up blood or vomit that looks like coffee grounds.

Before taking this medicine

You should not use ibrutinib if you are allergic to it.

Tell your doctor if you have ever had:

Using ibrutinib may increase your risk of developing other types of cancer, such as skin cancer. Ask your doctor about your specific risk.

Ibrutinib can harm an unborn baby. Both men and women using this medicine should use birth control to prevent pregnancy. The use of this medicine by either parent may cause harm to the baby.

Keep using birth control for at least 1 month after your last dose of ibrutinib. Tell your doctor right away if a pregnancy occurs while either the mother or the father is using ibrutinib.

It may not be safe to breast-feed a baby while you are using this medicine. Ask your doctor about any risks.

How should I take ibrutinib?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed. Ibrutinib is usually taken until your body no longer responds to the medication.

Take ibrutinib with a full glass of water, at the same time each day. Drink plenty of liquids while you are taking ibrutinib.

Swallow the tablet or capsule whole and do not crush, chew, break, or open it.

If you need surgery or dental work, tell your surgeon or dentist you currently use this medicine. You may need to stop for a short time.

Call your doctor if you have severe or ongoing diarrhea. You can easily become dehydrated while taking ibrutinib.

You may need frequent medical tests to be sure this medicine is not causing harmful effects. Your cancer treatments may be delayed based on the results.

Store in the original package at room temperature, away from moisture and heat.

What happens if I miss a dose?

Take the missed dose on the same day you remember it. Take your next dose at the regular time and stay on your once-daily schedule. Do not take 2 doses on the same day.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking ibrutinib?

Grapefruit and Seville oranges may interact with ibrutinib and lead to unwanted side effects. Avoid the use of grapefruit products and orange marmalades.

Ibrutinib side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using ibrutinib and call your doctor at once if you have:

  • signs of infection--fever, chills, weakness, mouth sores, cough with mucus, trouble breathing;

  • signs of bleeding inside your body--dizziness, weakness, confusion, problems with speech, prolonged headache, black or bloody stools, pink or brown urine, or coughing up blood or vomit that looks like coffee grounds;

  • severe or ongoing diarrhea;

  • chest pain, pounding heartbeats or fluttering in your chest, feeling like you might pass out;

  • easy bruising, unusual bleeding, purple or red spots under your skin;

  • pale skin, cold hands and feet;

  • kidney problems--little or no urinating, swelling in your feet or ankles; or

  • signs of tumor cell breakdown--confusion, weakness, muscle cramps, nausea, vomiting, fast or slow heart rate, decreased urination, tingling in your hands and feet or around your mouth.

Common side effects may include:

  • diarrhea, nausea;

  • fever, cough, trouble breathing;

  • blisters or ulcers in your mouth;

  • feeling tired;

  • bruising, rash; or

  • muscle pain, bone pain.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect ibrutinib?

Other drugs may affect ibrutinib, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

Further information

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.

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

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