Vidalista 20 is useful in treating erectile dysfunction in men. This medicine increases the speed of blood in the penis. This medicine can prolong erection during intercourse. The effect of this medicine can last for 4 to 6 hours. This medicine should be taken with a glass of water. This medicine should not be taken by women and children, if taken it has a bad effect. This medicine should be taken on prescription as advised by a doctor. So visit our store – vidalista.us.