Dosage
Promethazine (HCl)'s dosage details are as follows:
| Dose
|
Single Dose
|
Frequency
|
Route
|
Instructions
|
Adult Dosage
|
| 10 to 25 mg | 18 (17.5) | 4 hourly | PO.IV,IM | |
Paedriatic Dosage (20kg)
|
| 0.5 to 1 mg/kg | 0.75 (0.75) | 12 hourly | Oral | - |
Neonatal Dosage (3kg)
|
| 0.312 to 0.625 mg/kg | 0.47 (0.4685) | 12 hourly | Oral | |