fildena 25mg tablets are used to treat the problem of erectile dysfunction. Sildenafil citrate is found as an active ingredient in this medicine. The effect of this drug lasts for 4 to 6 hours. Take this medicine orally with water. But do not take this medicine with beverages like alcohol. Because it reduces the effect of the drug. Take this medicine only as directed by the doctor. So you can see the good effect of this medicine.