<prompt> Drug causing cardiomyopathy -ChloroquineTrastuzumabMethotrexatePemetrexed  <response>: Ans. is b i.e., Trastuzumab o Important drugs causing cardiomyopathy espcially dilated cardiomyopathy are:i Cocaineii Amphetamineiii Doxorobicin Anthracyclineiv Trastuzumab Herceptin 