Acute Niclofolan Intoxication Led to Stillbirth: A Case Report

Niclofolan is a commonly used veterinary drug worldwide. We reported a case of acute niclofolan intoxication in a pregnant woman. We recorded in detail her toxic symptoms, including nausea, vomiting, asthenia, blurred vision, and aberrant blood values. Notably stillbirth was recorded for the first time as indicating its human reproductive toxicity. We also found that an oral therapeutic dosage as described in the literature was likely to lead to stillbirth. Furthermore, we described the treatments received by the patient, including critical care, drug therapy, and plasma exchange, the outcomes of which were excellent. By studying this case, we aimed to enhance recognition and treatment of niclofolan intoxication and to raise concern regarding veterinary drug abuse and exposure risk.