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Suman Wason, MD; Peter G. Lacouture; Frederick H. Lovejoy, Jr, MD

JAMA. 1981;246(10):1102-1104.

Abstract
We treated five isoniazid-overdosed patients each with a single dose of pyridoxine hydrochloride equivalent to the gram amount of isoniazid ingested and compared their outcome with that of 41 patients from the literature who received little or no pyridoxine. Recurrent seizures occurred in 60% of patients who had received no pyridoxine vs 0% in our patients. Metabolic acidosis resolved in our cases but was refractory in the literature cases. In our cases, coma lightened more rapidly and was of shorter duration as compared with that in the literature cases (mean, seven hours vs 24 hours). No adverse effects of pyridoxine were seen in our patients.

(JAMA 1981;246:1102-1104)

Author Affiliations
From the Department of Medicine, and Clinical Pharmacology-Toxicology Unit, The Children's Hospital Medical Center, the Department of Pediatrics and Pharmacology, Harvard Medical School (Drs Wason and Lovejoy), and the Massachusetts Poison Control System (Drs Wason and Lovejoy and Mr Lacouture), Boston.

Footnotes
Presented in part at the American Academy of Clinical Toxicology and the American Association of Poison Control Centers Meeting, Minneapolis, Aug 5, 1980.

Reprint requests to The Children's Hospital Medical Center, 300 Longwood Ave, Boston, MA 02115 (Dr Wason).

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