Fildena 100mg is used to treat erectile dysfunction in men. Men suffering from dissatisfaction during sexual intercourse either due to a complete lack of erection or due to decreased libido may be prescribed fildena 100 by their doctor. Using this pill is a solution to enjoy sensual activities that are more fulfilling. Fildena 100mg works only in sexual situations with sensory stimulation, however minimal. This drug increases blood circulation and relaxes the smooth muscles of the penis. This leads to a strong and stable erection. The drug starts showing its effect on an erection within 30 minutes of taking and remains in the bloodstream for about 5 to 6 hours after consumption.