Gastric lavage is a technique whereby toxins or poisons are removed from the stomach by introducing small amounts of fluid and suctioning it out. The indications of gastric lavage are: - poisoning with uncosciousness - presentation within 1 hour if ingestion of poison - ingestion of anticholinergic drug whereby individual may present within 4 hours - salicylate poisoning - paraquat ingestion - iron toxicity - lithium toxicity Reference: https://wikem.org/wiki/Gastric_lavage#Indications Image via: https://journals.rcni.com/nursing-standard/gastric-lavage-in-accident-and-emergency-ns.7.18.32.s44