Cobalamin sequestrant
- Binds cyanide-bound cobalamin for elimination
Drugs with this mechanism (3)
- Metformin — First-line diabetes drug; weight-neutral, sometimes used for antipsychotic weight gain.
- Metformin ER — Extended-release biguanide; often rescues GI intolerance to immediate-release therapy.
- Nitrous oxide — Rapid inhaled NMDA-antagonist analgesic and anesthetic; repeated exposure depletes vitamin B12.
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