Premaratna, R.Tilakaratne, Y.Fonseka, M.M.D.Gunatilake, S.B.de Silva, H.J.2014-10-292014-10-292001Human and Experimental Toxicology; 20(7): pp.377-3780960-3271 (Print)1477-0903 (Electronic)http://repository.kln.ac.lk/handle/123456789/1475Parasuicide by ingestion of organophosphate (OP) insecticides is common in Sri Lanka, but the use of the parateral route to self administer the poison is extremely rare. We report a patient who deliberately injected herself intramuscularly with an OP compound with suicidal intent. The clinical manifestations of OP poisoning were unpredictable and posed a therapeutic problemPoisoningInsecticides-poisoningFenthion-poisoningSelf-Injurious BehaviorParasuicide by self-injection of an organophosphate insecticideCase ReportMedicine