This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology, Subject name: Forensic Medicine
Gastric lavage is contraindicated in which of the following poisoning? 
Select and explain. 
A. Organophosphorous, B. Dhatura, C. Kerosene, D. Copper sulphate
C: Kerosene
Answer: C: Kerosene 
Explanation: Ans. c (Kerosene). (Ref. Parikh, Textbook of FMT, 5th/684)GASTRIC LAVAGE# Useful only in first hour of ingestion# Should be used in patients with altered sensorium# Should not be used in (contraindicated) in patients with ingestion of alkalies and acids, kerosene poisoning and in stupourous and comatose patients.