<prompt> The most common toxin causing dilated cardiomyopathy isAlcoholChemotherapeutic agentsHeavy metalOccupational exposure  <response>: Ref Harrison 19 th ed pg 1558 Toxic 1.Alcohol 2.Catecholamin: amphetamines, cocaine 3.3.Chemotherapeut agents anthracyclines, trastuzumab 4.Interferon 5.Other therapeutic agents hydroxychloroquine, chloroquine6.Dru of misuse emetine, anabolic steroids 7. metals: lead, mercury Occupational exposure: hydrocarbons, arsenicals. 