Vilitra 20 contains an ingredient called vardenafil which eliminates male impotence and erectile dysfunction. This drug should be taken by men 30 minutes before intercourse. This drug helps the man to know strong erection during intercourse. You can take this medicine before or after a meal. Do not take this medicine with fatty foods or cold drinks. The effect of this drug lasts for 5 hours. You can visit pharmev.com for more information.