Fildena 50 pill is taken by those men who suffer from erectile dysfunction. For sexual pleasure, the penis needs to be strong enough and full of blood. This medicine contains sildenafil citrate which helps in the erection process. The effect of this medicine remains in the body for 4-6 hours. Take this medicine 30 to 60 minutes before intercourse. Take this medicine with a glass of water. Take one pill in one day. Women should not use this medicine.