A Case Report: Convulsion After Poisoning of a herbicide containing Pyrazolate and Propyrisulfuron

Introduction: There have been no reports on poisoning with pyrazolate and propyrisulfron (Pyr/Pro), a type of herbicide. In this report, we present a case with severe Pyr/Pro poisoning signs, in particular, sustained convulsions. Case presentation: A 47-year-old man was transferred to emergency room in comatose state after he ingested the most possible amount of 500 ml of herbicide which contained 136.5 mg of Pyr and 8 mg of Pro Twelve hours after his admission, he suddenly developed generalized convulsions, which lasted for 2 days. Given no abnormal findings on his brain images or laboratory data, convulsions were considered to be caused by Pyr/Pro poisoning. His convulsions were well controlled under benzodiazepine treatments and he was able to be discharged without any complications. Discussion: This case report suggests that Pyr/ Pro poisoning has a higher risk for developing sustained convulsions and loss of consciousness. Conclusion: We recommend managing signs of central nervous system, including convulsion, in cases with Pyr/Pro poisoning.