Fildena 100 use works in sexual function. This medicine works to keep the erection firm for a long time. Called sildenafil. It is a chewable pill. It is a drug used for sex. It works excellently in men. Work more with your partner. Take that medicine with food. So more work in sexual activity. You do not show the effect for more than 4 hours for a long time. Knowledge is essential before taking that dose.