Dosage
        Pethidine (HCl)'s dosage details are as follows:
        
            
                | Dose | Single Dose | Frequency | Route | Instructions | 
            
                | Adult Dosage | 
            | 50 to 100 mg | 75 (75) | 4 hourly | IM,SC |  | 
            
                | Paedriatic Dosage (20kg) | 
            | 0.5 to 0.2 mg/kg | 0.35 (0.35) | 4 hourly | Intra Muscular | - | 
| 0.5 to 2 mg/kg | 1.2 (1.25) | 4 hourly | Oral |  | 
            
                | Neonatal Dosage (3kg) | 
            | 1 to 2 | 1.5 (1.5) | 4 hourly | Intramuscular |  |