Fildenais used to treat erectile dysfunction or impotence in men. The drug contains tadalafil as the active ingredient. Fildena tablet inhibitor that restricts the action of PDE-5 enzymes ensures the production of enough cGMP. So that the penis will be enough blood circulation, the penis will be ready for having longer sex during sexual activity. This drug usually gives effective results within 24-36 hours. Although this pill only works, when if you are sexual arousal. Because of having sex, it is necessary to have sexually excitement.