The use of the vilitra 20 pill is mainly done by men who are unable to achieve an erection despite being sexually excited during sexual activity. Most men prefer to intake this drug to treat their sexual problems. Because this drug acts faster and more efficiently than other medicines. As well as this medicine is more effective in comparison to other drugs. This medicine remains effective for 4 to 5 hours. So men can enable sex with their sexual partner without any issues problem for 4 to 5 hours.