When a man has a problem during sex, he is used to the problem of erection or the problem of ED. Silagra drugs are taken 1 hour before intercourse. The effect lasts for 4-5 hours. Silagra is known as the magic pill for solving the problem of impotence, as this drug works like magic quickly, and Silagra is also known as the Best Pill. Silagra is ED's most popular drug.