Fildena 50 mg tablet is used for the treatment of erectile dysfunction. The active ingredient is sildenafil which is used to treat erectile dysfunction and impotence. You should not eat heavy food and not consume alcohol while taking this medicine. Men should take this medicine 30 minutes before sexual intercourse and its effect lasts for 4-5 hours. This medicine should be taken only once a day, therefore it is necessary to consult your doctor while taking this medicine.