Vidalista 20mg is a most useful medicine that is used to treat erectile dysfunction or impotence. Tadalafil is the main component included in this drug. Does this pill helps maintain an erection during the sexual sessions? This pill only that workmen are sexually aroused. With the help of medicine, the pill will be enough blood flow to the penile area. This pill is effect last up to 36 hours that time you can fully enjoy sex time with your beloved woman.