<prompt> A patient has subclinical folate deficiency. All of the following drugs can precipitate megaloblastic anemia in this patient exceptAlcoholPhenytoinchloroquineSulfasalzine  <response>: Chloroquine doesnot produce megaloblastic anemia. Whereas all the other three drugs can precipitate megaloblastic anemia. From medical pharmacology padmaja 4th edition Page no 224,399,217,478 