A TALE OF THREE MIMICKERS: AMITRAZ, FIPRONIL, AND 2,4-DICHLOROPHENOXYACETIC ACID POISONING CONFOUNDING ORGANOPHOSPHATE TOXICITY

Keyur Savjibhai BHIMANI, Varsha SHINDE, Pratik KANANI, Joshua Daniel BIRRU, Mohammed Arif Abdul SALAM

Turkish Journal of Emergency Medicine - 2026;26(3):248-251

Department of Emergency Medicine, Dr. D.Y. Patil Medical College, Hospital and Research Centre, Pune, Maharashtra, India

 

Organophosphates (OP) and carbamates frequently cause acute poisoning worldwide via acetylcholinesterase inhibition, leading to characteristic cholinergic toxidrome manifestations. However, some agents such as Amitraz, Fipronil, and 2,4-dichlorophenoxyacetic acid act through different mechanisms yet clinically mimic OP poisoning, complicating diagnosis and management. This case series presents three patients exposed to these mimickers, highlighting differing clinical features, investigations, and management strategies. Recognizing these pesticide mimickers is critical to avoid inappropriate therapy and optimize outcomes.