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Olga F. Woo, PharmD; Neal L. Benowitz, MD; Fred W. Bialy, MD; James W. Wengert, MD
San Francisco Bay Area Regional Poison Control Center and Clinical Pharmacology and Toxicology Division San Francisco General Hospital Medical Center University of California, San Francisco School of Pharmacy and Medicine

JAMA. 1985;253(18):2646-2647.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

In a recent review of the toxicity of over-the-counter stimulants, Pentel¹ noted hypertension, myocarditis, and ventricular arrhythmias following the use of phenylpropanolamine hydrochloride. We report two patients with increased blood pressure and bradycardia with atrioventricular block of the Wenckebach type following the ingestion of proprietary products containing phenylpropanolamine.

Report of Cases.—CASE 1.—

A 13-year-old girl with no history of cardiovascular disease ingested 13 Triaminicin capsules (phenylpropanolamine hydrochloride, 25 mg; chlorpheniramine maleate, 2 mg; aspirin, 450 mg; and caffeine, 30 mg). On admission to the emergency department 1 1/4 hours after the ingestion, she was alert but complained of being light-headed. Her blood pressure was 130/100 mm Hg; pulse rate, 58 beats per minute and irregular; and temperature, 36.3 °C (97.4 °F). Physical examination findings were remarkable only for slight epigastric tenderness and bradycardia. The serum salicylate concentration two hours after ingestion was 17.4 mg/dL. . . . [Full Text PDF of this Article]

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