"SYDNEY, AUSTRALIA â€” A small randomized trial reports sharp blood-pressure reductions in untreated hypertensives using a single pill combining four BP-lowering drugs at one-quarter the usual dose.
Among 18 patients, mean 24-hour systol"...
Propranolol is not significantly dialyzable. In the event of overdosage or exaggerated response, the following measures should be employed:
Hypotension and bradycardia have been reported following propranolol overdose and should be treated appropriately. Glucagon can exert potent inotropic and chronotropic effects and may be particularly useful for the treatment of hypotension or depressed myocardial function after a propranolol overdose. Glucagon should be administered as 50-150 mcg/kg intravenously followed by continuous drip of 1-5 mg/hour for positive chronotropic effect. Isoproterenol, dopamine or phosphodiesterase inhibitors may also be useful. Epinephrine, however, may provoke uncontrolled hypertension. Bradycardia can be treated with atropine or isoproterenol. Serious bradycardia may require temporary cardiac pacing.
Propranolol is contraindicated in 1) cardiogenic shock; 2) sinus bradycardia and greater than firstdegree block; 3) bronchial asthma; and 4) in patients with known hypersensitivity to propranolol hydrochloride.This monograph has been modified to include the generic and brand name in many instances.
Last reviewed on RxList: 9/6/2016
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