The active ingredient in the Fildena 150 tablet is sildenafil which helps men to achieve a longer erection in their sex life. Fildena 150 medicine is the best medicine for treating the problem of impotence. The effect of this medicine lasts for 4-5 hours, so this medicine should be taken only once a day. Do not eat heavy food and do not consume alcohol while taking this medicine. It should be noted that this medicine comes in different doses so it is important to consult your doctor while taking this medicine.