A patient has subclinical folate deficiency. All of the following drugs can precipitate megaloblastic anemia in this patient except:: (A) Alcohol, (B) Phenytoin, (C) Chloroquine, (D) Sulfasalzine
Answer is C. Ans. (C) Chloroquine(Ref: Harrison 17/e p649)Megaloblastic anemia can be caused by deficiency of folic acid or vitamin B12 . The drugs that can result in deficiency of folic acid include alcohol, phenytoin and sulfonamides