Fildena 100 mg is one of the best medicines used to treat erectile dysfunction or impotence in men. Very good results can be obtained by taking this medicine only once. The primary active ingredient is sildenafil citrate included in this pill. The main function of this drug is to slowly relax the blood vessels in the penis of men and increase their blood flow. So that men help to achieve a strong erection and long-lasting when they are sexually aroused during sexual activity. With the help of this drug, men can have sex with their partners for a longer period of time. This drug is one of the 100% safe and effective drugs.