Promethazine
Categories
Summary
A first generation antihistamine, which also possesses anticholinergic, strong sedative and antipsychotic properties. Once commonly used as a treatment for psychosis, it is now more commonly seen as a component of codeine cough syrups as an anti-nausea agent.
Dose Information
Onset, Duration & After-effects
- Onset: 15-30 minutes
- Duration: 4-8 hours
- After-effects: 0-3 hours