Drug Interaction Report

Suvorexant may increase the blood levels of palovarotene. This may increase the risk and/or severity of side effects such as dry skin, dry lips, hair loss, skin rash, itching, skin and nail infection, dry eyes, night blindness, depression, and mood changes. Combining suvorexant with palovarotene may also increase the risk of a rare, but potentially serious, condition called pseudotumor cerebri caused by increased pressure in the brain. Talk to your doctor if you have any questions or concerns. Your doctor may be able to provide alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring by your doctor to safely use both medicines. 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.

Grapefruit, pomelo, and juices or supplements containing these fruits may increase the blood levels of palovarotene, which may increase the risk and/or severity of side effects such as dry skin, dry lips, hair loss, skin rash, itching, skin and nail infection, dry eyes, night blindness, depression, and mood changes. It may also increase the risk of a rare, but potentially serious, condition called pseudotumor cerebri caused by increased pressure in the brain. Palovarotene should be taken with food at approximately the same time each day. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact. 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.

Food can delay the absorption of suvorexant, which may increase the amount of time it takes for the medication to work. For faster sleep onset, do not take suvorexant with or soon after a meal. Suvorexant should also not be taken with grapefruit juice, as it may significantly increase the levels of medication in the blood. This can increase the risk of side effects including excessive drowsiness, motor impairment, amnesia, anxiety, hallucinations, and breathing difficulties (especially if you have a respiratory disorder such as asthma or obstructive sleep apnea). Talk to your doctor if you have any questions or concerns. You should avoid the use of alcohol while being treated with suvorexant. Avoid driving or operating hazardous machinery until you know how the medication affects you, and do not exceed the dosage or frequency of use prescribed by your doctor. 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.