Diazepam (Valium)
Classification: Benzodiazepine
Dosage / Administration:
| 
 Route  | 
 Onset of Action  | 
 Peak Effect  | 
 Duration of Action  | 
|---|---|---|---|
| 
 IV  | 
 1-5 minutes  | 
 3-5 minutes  | 
 2-4 hours  | 
| 
 Oral  | 
 15-60 minutes  | 
 60 minutes  | 
 3-6 hours  | 
Adult Dose:
Administer in 1-2mg increments every 2 minutes IV until desired effect is achieved. (Slurred speech). Generally 10 to 20 mg in 60 minutes.
Pediatric Dose:
0.1 – 0.3 mg/kg.
Adverse Reactions:
- Respiratory effects – Respiratory depression, apnea
 - Cardiovascular effects – Bradycardia, hypotension
 - CNS effects – Agitation, confusion, diplopia
 - GI effects – hiccups
 - Special Considerations – Phlebitis at site of injection, rash, urticaria, avoid extravasation as drug is caustic to tissue.
 - May be diluted with normal saline only. Do not mix with any other drug.
 - Midazolam is generally preferable to Diazepam due to Midazolam’s decreased duration and easier titratability.
 
Reversal agent:
Flumazenil (Romazicon) will reverse the respiratory effects of diazepam overdose.