Vidalista 5is used keeping in mind the problem of erectile dysfunction. The main ingredients of tadalafil play a major role in this medicine which helps a lot in increasing the blood flow in the muscles in the penis and makes you harder to erect during intercourse. Taking this medicine can take away the trouble in your life. The effect of this drug lasts for 36 hours. You can take this medicine 30 to 40 minutes before sexual intercourse.