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To help your doctor and pharmacist give you the best care, be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products) before starting treatment with this product. While using this product, do not start, stop, or change the dosage of any other medicines you are using without your doctor's approval.

Some products that may interact with this drug include: anticholinergic/antispasmodic drugs (such as atropine, dicyclomine, scopolamine), drugs that increase the amount of dopamine in your body (such as cabergoline, levodopa, pergolide, ropinirole), guanethidine, phenytoin, propranolol, warfarin, other drugs that cause dizziness upon standing (including alpha blockers such as prazosin, diuretics/"water pills" such as hydrochlorothiazide).

Tell your doctor or pharmacist if you are taking other products that cause drowsiness or may slow your breathing including alcohol, antihistamines (such as cetirizine, diphenhydramine), drugs for sleep or anxiety (such as alprazolam, diazepam, zolpidem), muscle relaxants, and narcotic pain relievers (such as codeine).

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.

Also report the use of drugs that might increase seizure risk when combined with trifluoperazine, such as bupropion, isoniazid (INH), theophylline, tramadol, or tricyclic antidepressants (such as amitriptyline), among others. Consult your doctor or pharmacist for details.

This medication may interfere with certain laboratory tests (such as phenylketonuria tests), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.

This document does not contain all possible drug interactions. Keep a list of all the products you use. Share this list with your doctor and pharmacist to lessen your risk for serious medication problems.

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: severe drowsiness/deep sleep, loss of consciousness, agitation, restlessness, seizures, irregular heartbeat.

NOTES: Do not share this medication with others.

Laboratory and/or medical tests (such as liver tests, blood counts, eye exams) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.

Keep all medical and laboratory appointments.

MISSED DOSE: If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

STORAGE: Store at room temperature between 68-77 degrees F (20-25 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.

Information last revised February 2011 Copyright(c) 2011 First DataBank, Inc.