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 this medicine 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.
Ibrutinib affects your immune system. You may get infections more easily, even serious or fatal infections. You will need frequent medical tests.
Ibrutinib can make it easier for you to bleed, even from a minor injury. Seek medical attention if you have bleeding that will not stop. Bleeding may also happen inside your body, such as in your stomach or intestines, or in your brain.
Store in the original package at room temperature, away from moisture and heat.
 Detailed Ibrutinib dosage information
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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.
