A 40 year old man has megaloblastic anemia and early signs of neurological abnormaliity. The drug most probably required is:: (A) Folic acid, (B) Iron sulphate, (C) Erythropoietin, (D) Vitamin Bu
Answer is D. (Ref: KDT 6/e p591) Deficiency of vitamin B12 results in megaloblastic anemia and demyelinaction. It can cause subacute combined degeneration of spinal cord and perpheral neuritis.