A 30–year old epileptic female, Kamla on phenytoin therapy, developed weakness and fatigue. Blood examination revealed Hb = 4.6 gm. MCV = 102 fl and MCH = 40 pg/dl. What is the most probable diagnosis ?: (A) Heart failure, (B) Iron deficiency anemia, (C) Phenytoin induced agranulocytosis, (D) Megaloblastic anemia
Answer is D. None