benzodiazepine_antagonists
benzodiazepine antagonists
see also benzodiazepines, toxicology
Adverse effects of benzodiazepine antagonists
- may ppt withdrawal seizures → titrate dose & Rx 5mg IV midaz/diazepam;
- may remove protective anticonvulsant effect of benzodiazepines in multiple OD;
- re-sedation from overdose as duration of action is only 45-105min.
- potential problem if patient discharges at own risk!!!
- thus, in general, these are NOT used in the Mx of polypharmacy overdose, or in patients who may be dependent on benzodiazepines.
- main use is to reverse acute excessive respiratory depressant effects of iatrogenic benzodiazepine excess.
Flumazenil:
- IV competitive antagonist;
- onset 30-60sec; T½=50min?; Clearance = 1L/min (all hepatic);
benzodiazepine_antagonists.txt · Last modified: 2011/08/25 11:19 by 127.0.0.1