G.K.SUDHAKAR*, VENKATESH KAMATH B, ARAVIND PAI,VASUDEV PAI Chelating agents, Lead poisoning, Wilson?s disease, Iron poisoning, Thalassemia. 1458-1463 Volume 4, Issue 6 November - December 2013 Chelating agents are drugs that complex with and thereby hold metal ions in inactive form that are suitable for mobilization and subsequent excretion. The principal therapeutic use of chelating agent is to treat heavy metal poisoning. This article describes a list of six chelating agents commonly employed in clinical practice.