Drug Interactions between lumateperone and zuranolone

Grapefruit and grapefruit juice may increase the blood levels of lumateperone. In some cases, this may increase the risk of side effects such as drowsiness, abnormal muscle movements, seizures, high blood sugar, diabetes, high cholesterol, weight gain, low white blood cell count, difficulty swallowing, and heat-related disorders such as heat intolerance or heat stroke. You may also be more likely to experience side effects associated with low blood pressure such as dizziness. You should avoid the consumption of grapefruit and grapefruit juice during treatment with lumateperone. Be sure to take the medication with food. 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.