Drug Interactions between ifosfamide and pacritinib

Grapefruit juice may increase the blood levels of pacritinib. This can increase the risk of side effects such as diarrhea, low blood platelet count, infection, and an irregular heart rhythm that may be serious or life-threatening. You should avoid consuming grapefruit and grapefruit juice during treatment with pacritinib. However, if you have been regularly consuming grapefruit or grapefruit juice with the medication, then it is advisable for you to talk with your doctor before changing the amounts of these products in your diet, as this may alter the effects of your medication. Contact your doctor if you have any questions or concerns or if you develop dizziness, lightheadedness, fainting, shortness of breath, chest pain, or heart palpitations during treatment. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Do not consume grapefruit or grapefruit juice while you are receiving treatment with ifosfamide, as this may decrease the anticancer effects of ifosfamide and may increase its adverse effects on your nervous system and your kidneys. Do not use alcohol while you are receiving treatment with ifosfamide. This may increase nervous system side effects such as somnolence, dizziness, confusion, difficulty concentrating, and impairment of thinking and judgment; and may also increase nausea and vomiting. Talk to your doctor or pharmacist if you have questions on how to take this or other medications you are prescribed. Also, avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medication without first talking to your doctor.