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Acta Med Port. 2011 Dec;24 Suppl 3:645-8. Epub 2011 Dec 31.

[Negative paraquaturia does not exclude paraquat fatal poisoning].

[Article in Portuguese]

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  • 1Serviço de Medicina Interna, Hospitais da Universidade de Coimbra, Coimbra, Portugal.


The authors present a case report of fatal paraquat poisoning demonstrating persistently negative urine paraquat test. A brief review is also made, concerning the importance of blood test for paraquat, the false negative results in urine test and the need for new effective therapeutic approaches that can change the tragic course of most of these poisoning cases.

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