Vidalista black 80 tablet is a drug used to treat male impotence. The main ingredient in this drug is tadalafil which causes an erection by animating the blood circulation in the penis during sexual arousal. It is advised to take this medicine one hour before planned intercourse. This medicine can be taken with food or on an empty stomach. This medicine should not be chewed. This drug gives good long lasting sex results and improves sexual activity. Cold drinks or alcohol should not be consumed while taking this medicine as it proves to be harmful to your health.