Suhagra is primarily a tablet used to treat the problem of impotence. Suhagra works by increasing blood flow to the part of the penis. Sildenafil acts as an active ingredient in Suhagra. Taking Suhagra makes the couple enjoy their sex time better. Suhagra is taken 1 hour before intercourse, after which it lasts for 4-5 hours. Avoid taking this drug if you notice side effects from these tablets. Suhagra is widely used.