hydroxocobalamin (injection, Cyanokit) (cont.)

Pharmacy Author:
Medical and Pharmacy Editor:


  • Hydroxocobalamin is an injectable drug that reverses the effect of cyanide. It is an antidote used for treating cyanide poisoning. Cyanide is an extremely toxic poison. Cyanide poisoning can kill within minutes because it prevents cells in the body from using oxygen.
  • Hydroxocobalamin is made up off cyanocobalamin (vitamin B12) attached to cobalt. Hydroxocobalamin reverses the action of cyanide by binding to cyanide molecules. Each hydroxocobalamin molecule binds to one cyanide ion. The result of the chemical reaction is inactivation of cyanide and release of cyanocobalamin which is then excreted in the urine.

REFERENCE: FDA Prescribing Information.

Medically Reviewed by a Doctor on 4/15/2016

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