Sildenafil citrate acts as the main ingredient in the drug Fildena. If you also suffer from impotence and want to take this medicine, take the drug as advised by your doctor. Avoid taking this drug if you are suffering from any other serious illness. With the use of Fildena drug you can get a harder and stronger lift. If you want to get a quick look at the essence of the drug before taking Fildena drug, take it before a meal.