Tadalista 20 is used for Erectile Dysfunction in Men and impotence. This drug works to increase blood flow to the tissues of the penis. This medicine contains an ingredient called tadafil which helps men to know strong erection during intercourse. You take this medicine 30 minutes before intercourse so that you can enjoy intercourse with your partner. The effect of this drug lasts for 6 hours. This drug helps men during sexual activity. Do not consume fatty foods or cold drinks with this medicine. You can also take this medicine before or after a meal. Take this medicine with water but do not break or chew the medicine.