Vidalista 20 is taken for impotence in men. The drug contains an ingredient called tadalafil which helps to increase blood flow to the penile tissue in men so that men can feel a strong erection during intercourse. Take this medicine 30 minutes before intercourse so that you can enjoy intercourse with your partner. The effect of this medicine lasts for 4 to 6 hours. You can take this medicine before or at mealtime. Only men over the age of 18 should take this medicine. Take this medicine with water. You can take this medicine as advised by your doctor. You can visit pharmev.com for more information.