Optic Atrophy Medication

Updated: Jul 20, 2022
  • Author: Gangaprasad Muthaiah Amula, MBBS, DNB, FRCS(Glasg), FICO, FMRF; Chief Editor: Edsel B Ing, MD, PhD, MBA, MEd, MPH, MA, FRCSC  more...
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Vitamin, Water Soluble

Class Summary

Essential to normal metabolism and DNA synthesis.

Cyanocobalamin (Nascobal)

Deoxyadenosylcobalamin and hydroxocobalamin are active forms of vitamin B-12 in humans. Vitamin B-12 synthesized by microbes but not by humans or plants. Deficiency may result from intrinsic factor deficiency (pernicious anemia), partial or total gastrectomy, or distal ileum diseases. Deficiency initially and typically manifests as macrocytic anemia, although neurologic symptoms may be present. Can also cause confusion or delirium in elderly patients.

Essential for normal erythropoiesis. Required for healthy neuronal functions and normal functions of rapidly growing cells.