Vidalista 20 Medicine is used to treat impotence and erectile dysfunction in men. The medicine contains an ingredient called tadafil which helps increase blood flow to the penis tissues of a man. This drug eliminates impotence. You can also take this medicine before or after a meal. Do not use fatty foods or cold drinks with this medicine. Take this medicine 30 minutes before intercourse so that you can enjoy intercourse with your partner. The effect of this drug lasts for 4 to 6 hours. You take this medicine with water but do not break or chew the medicine. You should take this medicine as advised by your doctor.