Promethazine
Typical Dose 25-75 mg
Duration 4h - 8h
Interaction Risk Unknown
Detection Methods 2
Description
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.
Effects & Dosing
Dosage
Oral
| Light | Common | Strong |
|---|---|---|
| - | 25-75 mg | - |
Duration
Oral
Onset 15 min - 30 min
Total Duration 4h - 8h
After Effects 0 min - 3h
Safety & Risks
Safer Use
- NOTE: This is what is normally used in medicinal settings, and is usually what is prescribed to you, since it has anticholinergic properties; IE; Delirant.
Detection Times
| Method | Detection Window |
|---|---|
| Blood | 6–12 hours |
| Urine | 1–2 days |
Note: Antihistamine/phenothiazine. Not part of standard drug panels. Rarely causes false positives.
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