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Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.

This drug should not be used with the following medication because very serious interactions may occur: thioridazine.

If you are currently using this medication, tell your doctor or pharmacist before starting propranolol.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: alpha blockers (e.g., prazosin), aluminum hydroxide, anticholinergics (e.g., atropine, scopolamine), calcium channel blockers (e.g., diltiazem, verapamil), chlorpromazine, diazepam, drugs to treat diabetes (e.g., insulin, sulfonylureas such as glipizide/glyburide), other drugs to treat high blood pressure (e.g., clonidine, hydralazine, methyldopa, reserpine), epinephrine, haloperidol, other heart medications (e.g., amiodarone, digoxin, disopyramide, propafenone, quinidine), MAO inhibitors (e.g., furazolidone, isocarboxazid, linezolid, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine), mefloquine, rizatriptan, theophylline, thyroid hormones (e.g., levothyroxine), tricyclic antidepressants (e.g., amitriptyline), warfarin, drugs affecting liver enzymes that remove propranolol from your body (such as cimetidine, St. John's wort, certain SSRI antidepressants including fluoxetine/paroxetine/fluvoxamine, HIV protease inhibitors including ritonavir, rifamycins including rifabutin, certain anti-seizure medicines including carbamazepine).

Check the labels on all your medicines (e.g., cough-and-cold products, diet aids, nonsteroidal anti-inflammatory drugs-NSAIDs for pain/fever reduction) because they may contain ingredients that could increase your heart rate or blood pressure. Ask your pharmacist about using those products safely.

This medication may interfere with certain laboratory tests (including glaucoma screening test, cardiovascular stress testing using arbutamine), 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 interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include unusually slow heartbeat, severe dizziness, slow or shallow breathing, weakness, or fainting.

NOTES: Do not share this medication with others. Lifestyle changes such as stress reduction programs, exercise and dietary changes may increase the effectiveness of this medicine. Talk to your doctor or pharmacist about lifestyle changes that might benefit you.

Have your blood pressure and pulse checked regularly while taking this medication. It may be best to learn how to monitor your own blood pressure and pulse. Discuss this with your doctor.

MISSED DOSE: If you miss a dose, take it as soon as you remember, but not if it is within 8 hours of the next dose. If it is within 8 hours 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 (77 degrees F or 25 degrees C) away from light and moisture. Brief storage between 59-86 degrees F (15-30 degrees C) is permitted. 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.

MEDICAL ALERT: Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).

Information last revised May 2010 Copyright(c) 2010 First DataBank, Inc.