Methapyrilene toxicity.
Seven cases of drug overdosage involving methapyrilene have been presented, five of which resulted in death. Methapyrilene blood levels ranged fron 1.2 to 3.0 mg% (Table 2). Five of the seven cases involved multiple drug dosage with ethanol, salicylamide, amobarbital, secobarbital, and/or scopolamine. Of the remaining cases, involving only methapyrilene, ome fatality occurred at a blood level of 2.7 mg%. The surviving case involved the reported ingestion of 100 tablets of Sleep-eze (2.5 gm methapyrilene), wherein serial lavage removed 1.1 gm of methapyrilene. Urinalysis revealed 2.52 mg% of methapyrilene in 1300 ml of urine. The methapyrilene blood level was too low to quantitate.
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