<prompt> Gastric lavage is NOT done in: September 2012Arsenic poisoningDhatura poisoningCorrosive acid poisoningOrganophosphorous poisoning  <response>: Ans. C i.e. Corrosive acid poisoning Gastriclavage Stomach pumping Gastric irrigation It is the process of cleaning out the contents of the stomach. Gastric Lavage is contraindicated when patients have a compromised, unprotected airway and in patients at risk of gastrointestinal hemorrhage or perforation. Relative contraindications include when the poisoning is due to a corrosive substance, hydrocarbons, or for poisons that have an effective antidote. 