Please note: this guideline has exceeded its review date and is currently under review by specialists. Exercise caution in the use of the clinical guideline.
| Phenobarbital |
| Time to steady state: 3 weeks |
| Sampling time and target range |
| Predose (not critical): 15–40mg/L |
| Comment |
| Metabolised in the liver. |
Guideline reviewed: August 2021
Page updated: May 2022