Erectile dysfunction treatment comparison
Viagra | Sildenafil | Cialis | Levitra | |
Active Ingredient | Sildenafil | Sildenafil | Tadalafil | Vardenafil |
Time to take effect | 60 minutes | 60 minutes | 30 minutes | 30-60 minutes |
Duration of effect | Up to 4 hours | Up to 4 hours | Up to 36 hours | 4-5 hours |
Distinguishing features | Most well known treatment | Generic alternative to Viagra | Longer duration of effect | Recommended for diabetics |
Price per prescription | €25 | €25 | €25 | €25 |
More about Viagra | More about Sildenafil | More about Cialis | More about Levitra |