Sildenafil is grouped as a PDE5 inhibitor - it works by inhibiting the task of a certain enzyme in your physical body in charge of making the blood leave the cells of the penis.
Do not attempt to readjust your dosage without your medical professional's approval as this can trigger unwanted negative side effects and health problems.
The typical dosage of Sildenafil is from 25 to 100 mg: it should be taken regarding half a hr before the sexual intercourse.
Sudden reduction of eyesight can be induced by a number of other factors combined with the fact of actually taking Sildenafil.
This is why a lot of people like internet buying to getting a prescribed and acquiring the medicine they wish from their community pharmacy.