Dosage
        Tetrahydrozoline (HCl)'s dosage details are as follows:
        
            
                | Dose
                 | 
                Single Dose
                 | 
                Frequency
                 | 
                Route
                 | 
                Instructions
                 | 
            
            
                
                    Adult Dosage
                 | 
            
            | 0.02 to 0.07 mg | 0.045 (0.045) | 8 hourly | Ophthalmic | - | 
| 0.02 to 0.07 % | 0.045 (0.045) | As recommended. | Ophthalmic | drops. | 
            
                
                    Paedriatic Dosage (20kg)
                 | 
            
             |  |  |  | SA | 
            
                
                    Neonatal Dosage (3kg)
                 | 
            
            | No data regarding the neonatal dosage details of Tetrahydrozoline (HCl) is available. |