<prompt> Megaloblastic anemia is caused by -PhenytoinLithiumLeadChloroquine  <response>: Ans. is a i.e., PhenytoinSome important drugs causing megaloblastic anaemiao Methotrexateo Phenytoino Cytosine arabinosideo Phenobarbitoneo Pentamidineo Pyrimethamineo Zidovudineo 5-Fluorouracilo Sulfasalazineo Triamtereneo Primidoneo Trimethoprimo Azathioprine 