Drug Interaction Report

Itraconazole may 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. 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 increases the absorption of itraconazole capsules but decreases the absorption of itraconazole oral solution. Capsules should be taken immediately after a full meal and the solution be taken on an empty stomach to ensure best results.

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.