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To the Editor.—Publication of the article on "Phenylazopyridine Hydrochloride Poisoning" by Wander and Pascoe (Amer J Dis Child110:105-107 [July] 1965), enabled us to diagnose and treat an 18-month-old child with such poisoning. In view of the paucity of reports in the literature we should like to report the salient features of a patient seen by us.
An 18-month-old female Jewish child of Moroccan origin was seen in the accident room at 6 pm, two hours after ingesting seven or eight 100 mg phenylazopyridine tablets, accessible because they had been prescribed for a urinary tract infection in a sibling. The child looked well, and was not vomiting, but during the next half hour there was progressive yellow tinging of the skin, passage of urine of a bright red color, and bluish-gray discoloration of the lips. Pulse rate was 100 beats per minute; there were no signs of respiratory