A patient on Phenytoin therapy develops depression, for which he was prescribed tricyclic anti-Depressants. He now complains of lassitude and his Hb reading is 8gm/dl, the next step in the management of this patient is:
phenytoin can induce folate deficient megaloblastic anemia that can be diagnozed by measuring MCV. REF: KD TRIPATHI 8TH ED.
Chest X ray
MCV should be estimated
GGT should be estimated
None of the above
Central Nervous system