DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.Some products that may interact with this drug include: clozapine, kava, sodium oxybate (also known as gamma hydroxybutyrate or GHB).Tell your doctor or pharmacist if you are taking other products that cause drowsiness including certain antihistamines (such as diphenhydramine), other medicines for sleep or anxiety (such as diazepam, zolpidem), muscle relaxants, narcotic pain relievers (such as codeine), psychiatric medicines (such as chlorpromazine, risperidone, amitriptyline, trazodone).Check the labels on all your medicines (such as allergy or cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely.

OVERDOSE: If overdose is suspected, contact a poison control center or emergency room immediately. US residents can call the US National Poison Hotline at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include confusion, slow reflexes, clumsiness, deep sleep, and loss of consciousness.

NOTES: Lifestyle changes such as starting a stress reduction program may increase the effectiveness of this medication. Talk to your doctor or pharmacist about lifestyle changes that might benefit you.Do not share this medication with others. It is against the law.Laboratory and/or medical tests (such as blood counts, liver function tests) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.

Report Problems to the Food and Drug Administration You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.