Tadalista 5mg is a very effective medicine for the problem of erectile dysfunction. The main active ingredient in this medicine is called tadalafil. The main function of this drug is to increase blood flow to the muscles in the penis and to maintain a strong erection during prolonged intercourse. With the help of this medicine, you can treat your sexual problem very quickly and effectively. This drug is usually effective in 30-40 minutes and lasts for about 5-7 hours.