Drug Interactions between daridorexant and zuranolone

Do not consume grapefruit, grapefruit juice, or any supplements that contain grapefruit extract during treatment with daridorexant unless directed otherwise by your doctor. Grapefruit juice can increase the blood levels of daridorexant. This may increase the risk of side effects such as somnolence, fatigue, abnormal sleep behaviors, worsening of depression or suicidal thoughts, or headache. You should avoid the use of alcohol while being treated with daridorexant. Alcohol can increase the nervous system side effects of daridorexant such as dizziness, drowsiness, and reduced coordination. Some people may also experience complex sleep behaviors such as sleepwalking, sleep driving, preparing and eating food or doing other activities while not fully awake that you may not remember the next morning. Talk to your doctor if you have any questions or concerns. 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.

Zuranolone must be taken with fat-containing food to ensure adequate absorption of the mediation. It is also best to avoid or limit the consumption of alcohol, as it can increase drowsiness or other nervous system side effects of zuranolone. You should also avoid activities requiring mental alertness such as driving or operating hazardous machinery until at least 12 hours after taking zuranolone. 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.