Fildena 120 medicine is a common oral medication for the treatment of erectile dysfunction. It contains Tadalafil as the active ingredient which is similar to Cialis. Sildenafil acts directly on the enzyme responsible for erectile dysfunction to relieve ED. Medication is effective for achieving a strong erection only in the presence of sexual arousal. One tablet daily is the recommended dose, and its effect lasts for 36 hours in the body. Pills are well tolerated even on an empty stomach, so, you can take them with or without food.