PROPRANOLOL CONCENTRATED SOLUTION-ORAL (cont.)
PRECAUTIONS: This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: certain types of irregular heartbeats (e.g., sinus bradycardia, second or third degree atrioventricular block), cardiogenic shock, severe heart failure (overt or decompensated type), asthma, a certain type of tumor (untreated pheochromocytoma). Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart failure (treated, compensated type), other breathing problems (e.g., chronic obstructive lung disease), diabetes, overactive thyroid disease (hyperthyroidism), kidney disease, liver disease, blood circulation problems (e.g., Raynaud's disease), skin conditions (e.g., psoriasis), mental/mood disorders (e.g., depression), certain muscle disease (myasthenia gravis), any allergies. Before having surgery, tell your doctor or dentist that you are taking this medication. If you have diabetes, this medication may mask the fast/pounding heartbeat you would usually feel when your blood sugar level falls too low (hypoglycemia). Other symptoms of a low blood sugar level such as dizziness or sweating are unaffected by this drug. This drug may make you dizzy or drowsy; use caution engaging in activities requiring alertness such as driving or using machinery. Limit alcoholic beverages. To minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position. This drug should be used only when clearly needed during pregnancy. Discuss the risks (e.g., low birth weight) and benefits with your doctor. This drug passes into breast milk. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: This drug should not be used with the following medications because very serious interactions may occur: mibefradil, certain psychiatric drugs (phenothiazines such as chlorpromazine, thioridazine). If you are currently using any of these medications, tell your doctor or pharmacist before starting this drug. Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may use, especially of: alpha-blockers (e.g., prazosin), certain antacids (aluminum hydroxide gel), anti-depressant drugs (e.g., amitriptyline, fluoxetine, paroxetine), anti-diabetic drugs (e.g., glipizide, glyburide, insulin), barbiturates (e.g., phenobarbital), calcium channel blockers (e.g., diltiazem, verapamil), cimetidine, epinephrine, ergotamine-like drugs, general anesthesia, haloperidol, other heart drugs (e.g., amiodarone, digoxin, propafenone, quinidine, intravenous lidocaine), other drugs to treat high blood pressure (e.g., clonidine, hydralazine, methyldopa, reserpine), medications for overactive thyroid disease (e.g., methimazole, propylthiouracil), neuromuscular blocking drugs, non-steroidal anti-inflammatory drugs (e.g., indomethacin, ibuprofen), phenytoin, rifamycins (e.g., rifampin), rizatriptan, theophylline, St. John's wort. Check the labels on all your medicines (e.g., cough-and-cold products, diet aids) because they may contain ingredients that could increase your heart rate or blood pressure. Ask your pharmacist about the safe use of those products. This product can affect the results of certain lab tests. Make sure laboratory personnel and your doctors know you use this drug. Do not start or stop any medicine without doctor or pharmacist approval.
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