Vidalista 20 tablet is a medicine that relaxes smooth tissues in the walls of blood vessels. So that bloodstream to certain parts of the body increases and this action makes the man more efficient in treating erectile dysfunction. The medicine is taken orally with water. This pill does not affect the diet so you can take this drug on an empty stomach as well as after a big meal. Don't take Vidalista 20 tablets if you are using nitrate drugs for chest pain or heart problems.