Drug Interactions between Fentanyl Transdermal System and Inlyta

Do not use alcohol or medications that contain alcohol while you are receiving treatment with fentaNYL. This may increase nervous system side effects such as drowsiness, dizziness, lightheadedness, difficulty concentrating, and impairment in thinking and judgment. In severe cases, low blood pressure, respiratory distress, fainting, coma, or even death may occur. You should also avoid consuming grapefruit and grapefruit juice, as this may increase the blood levels and effects of fentanyl. Talk to your doctor or pharmacist if you have questions on how to take this or other medications you are prescribed. Do not use more than the recommended dose of fentaNYL, and 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.

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Do not consume grapefruit or grapefruit juice during treatment with axitinib unless directed otherwise by your doctor. Grapefruit juice can increase the blood levels of axitinib. This may increase the risk and/or severity of side effects such as high blood pressure, diarrhea, nausea, vomiting, constipation, decreased appetite, weight loss, and rash, itching or peeling of skin on the hands and feet. You may also be more likely to experience less common but more severe side effects such as blood clots (depending on location, can lead to complications such as stroke, heart attack, breathing difficulties, and vision abnormalities); bleeding; liver problems; thyroid problems; tearing (perforation) in the stomach or intestinal wall; and a rare nervous system condition known as reversible posterior leukoencephalopathy syndrome (RPLS). You should seek immediate medical attention if you develop signs and symptoms of these conditions including chest pain or pressure; pain in the arms, back, neck or jaw; swelling; shortness of breath; numbness or weakness on one side of the body; headache; vision changes; seizures, unusual bleeding or bruising; red or black stools; coughing up or vomiting blood or blood clots; and severe stomach or abdominal pain. 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.

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