What are the treatment methods for pyrethroid pesticide poisoning?
Nov 25, 2025
Source: Cainiu Health
Dr. Huang Yuhong
Introduction
Pyrethroid pesticide poisoning is generally treated by removing the patient from the contaminated environment, eliminating the toxic substance, promoting toxin elimination, administering medical treatments, and maintaining stable vital signs. Once poisoning is detected, immediately move the patient to a well-ventilated area to prevent further exposure and reduce additional absorption. For skin exposure, remove contaminated clothing and thoroughly wash the affected area with soap and water or clean water.
Poisoning caused by pyrethroid pesticides is generally treated through measures such as removing the patient from the contaminated environment, decontamination, promoting toxin elimination, administering medical treatment, and maintaining stable vital signs. Specific interventions are as follows:
1. Remove from the contaminated environment: Once poisoning is detected, immediately move the patient to a well-ventilated area to prevent further exposure and reduce continued absorption of the toxin.
2. Decontamination: For skin exposure, remove contaminated clothing and thoroughly wash the affected area with soap and water or clean water. For eye exposure, irrigate the eyes with large amounts of normal saline or clean water for at least 15 minutes. In cases of oral ingestion, if the patient is conscious, induce vomiting and promptly transport the patient to a hospital for gastric lavage.
3. Promote toxin elimination: After gastric lavage, administer a laxative such as sodium sulfate via gastric tube to induce purging and reduce intestinal absorption of the toxin. Intravenous fluid therapy combined with diuretics like furosemide can enhance renal excretion of the toxin.
4. Medical treatment: Administer medications such as diazepam injection to control seizures. Atropine may be used when necessary to alleviate muscarinic symptoms, but dosage must be strictly controlled to avoid exacerbating convulsions.
5. Maintain stable vital signs: Severe cases require oxygen supplementation and, if needed, mechanical ventilation to support respiratory function. Monitor heart rate, blood pressure, and other vital parameters closely, and promptly manage complications such as arrhythmias.
When using pyrethroid pesticides, strictly follow operational procedures, wear appropriate protective equipment, and avoid direct skin contact or accidental ingestion. Thoroughly wash the body after work, and store pesticides securely to prevent access by children.
