Fildena 100mg has been used to treat diseases such as impotence. This medicine contains sildenafil citrate. The use of this drug slowly loosens the tight muscles in the uterus and allows adequate blood flow to the muscles. So that no problems occur during sexual activity and long-term erection can be sustained. The drug takes effect in 30 minutes and lasts for 4-5 hours. This medicine can be taken on an empty stomach or with a meal. These tablets should be taken only once a day otherwise it may cause side effects.