Vidalista 40 pill is used to treat impotence or ED. This drug increases blood circulation in the penis in men. Tadalafil ingredient in this medication helps in getting and maintaining erection. You should take this medicine 30 minutes before having sex. After taking these pills you will be able to enjoy sex with your partner for 4-5 hours. After taking this medicine, you should not consume any alcoholic beverages. Only men above 18 years of age can use this drug.