If you are not ready to last longer in bed, at that point you begin feeling regretful and frustrated. Around then, you feel that something supernatural should occur so you get a most grounded erection on which you can feel glad. One prescription which can give you such sort of erection is fildena 100. It is an erectile dysfunction medicine which treats this issue by expanding the inflow of blood to the tissues of the penile area. The usage of this medication is powerful for around 36 hours from the very beginning of intake.