Propranolol overdose

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Phone:617-525-6884

Overdosage topics

Propranolol is not significantly dialyzable. In the event of overdosage or exaggerated response, the following measures should be employed:

General

Supportive Therapy

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General

If ingestion is or may have been recent, evacuate gastric contents, taking care to prevent pulmonary aspiration.

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Supportive Therapy

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.

The electrocardiogram, pulse, blood pressure, neurobehavioral status and intake and output balance must be monitored.

Isoproterenol and aminophylline may be used for bronchospasm.

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The content of this page is taken from the FDA package insert for this drug and should not be edited.