DTP Hydroxocobalamin Flashcards
Hydroxocobalamin Drug Class
Antidote
Hydroxocobalamin Pharmacology
Form of vitamin B12 is an antidote for cyanide toxicity.
It binds with circulating and cellular cyanide to form cyanocobalamin, which is then excreted in the urine.
Hydroxocobalamin Metabolism
Excreted by kidneys
Hydroxocobalamin Indications
Suspected cyanide toxicity
Hydroxocobalamin Contraindications
KSAR
Hydroxocobalamin Precautions
Hypertension
Hydroxocobalamin Side effects
- Anaphylaxis
- Chromaturia
- Erythema
- Rash (acne like)
- Hypertension
- Nausea and/or vomiting
- Pain at infusion site
Hydroxocobalamin Presentation
Vial (red powder), 2 x 2.5 g Hydroxocobalamin (Cyanokit®)
Hydroxocobalamin Onset (IV)
Immediate
Hydroxocobalamin Duration (IV)
Several days
Hydroxocobalamin Half-life (elimination)
26 – 31 hours
Hydroxocobalamin Schedule
N/A – TGA Special Access Scheme
Hydroxocobalamin Special notes
All hydroxocobalamin infusions are to be initiated using industry supplied stock. Hydroxocobalamin will not be procured by QAS
Hydroxocobalamin administration STEP 1 – RECONSTITUTE
Add 100 mL of sodium chloride 0.9%
to the 2.5 g hydroxocobalamin vial using the transfer spike (supplied)
Fill to the line with the vial in upright position.
Hydroxocobalamin administration STEP 2 – MIX
Rock or rotate the vial for 30 seconds to mix solution – DO NOT SHAKE.