Drug General Information (ID: DDIWD5KJZQ)
  Drug Name Hydroxocobalamin Drug Info Chloramphenicol Drug Info
  Drug Type Small molecule Small molecule
  Therapeutic Class Vitamins Antibiotics
  Structure

 Mechanism of Hydroxocobalamin-Chloramphenicol Interaction (Severity Level: Moderate)
     Attenuated pharmacological effects (Unspecific) Click to Show/Hide Mechanism Graph
      Drug Name Hydroxocobalamin Chloramphenicol
      Mechanism Vitamin B12 analog Interference with the efficacy of iron or vitamin B12 in the treatment of anemia by inhibiting erythrocyte maturation
      Key Mechanism Factor 1
Factor Name Pharmacodynamics
Factor Description Reduced pharmacological effects leading to insufficient efficacy and/or treatment failure.
      Mechanism Description
  • Attenuated pharmacological effects of  Hydroxocobalamin when combined with Chloramphenicol 

Recommended Action
      Management Patients with preexisting anemia should preferably not receive chloramphenicol due to the drug's depressive effect on bone marrow and reticulocytes. If use is unavoidable, the lowest effective dosage of chloramphenicol should be given. Hematologic response to iron or vitamin B12 therapy should be closely monitored.

References
1 Saidi P, Wallerstein RO, Aggeler PM "Effect of chloramphenicol on erythropoiesis." J Lab Clin Med 57 (1961): 247-56
2 Haile CA "Chloramphenicol toxicity." South Med J 70 (1977): 479-80
3 Scott JL, Finegold SY, Belkin GA, Lawrence JS "A controlled double-blind study of the hematologic toxicity of chloramphenicol." N Engl J Med 272 (1965): 1137-42