Vigora is used to treat the inability to keep the penis in a large and hard position during sexual activity. This condition is known as erectile dysfunction or ED. It is a prescription drug. This medicine helps by relaxing the muscles and thus allowing blood flow to the penis. This helps the man to keep the penis in an extended and hard position during sexual arousal. You can use this medicine 30 minutes before intercourse planning and enjoy a strong erection. Using this medicine improves your sex life. You should take this medicine on an empty stomach or with light food so that you can see the effect of the medicine more quickly.