Vidalista medicine is an ED pill used by men who suffer from erectile dysfunction or impotence to improve their erection. The important ingredient in this drug is tadalafil, which helps men get and maintain an erection by increasing blood flow to the penis during intercourse. This medicine is taken 30 to 60 minutes before your sexual period. The effect of this medicine remains in your body for 4-5 hours. This medicine should not be taken with alcohol. This medicine should be used only after consulting a doctor.