Urinary tract infection (UTI) is a bacterial-related infection of the urinary tract. There are cases where the primary cause of the infection is of fungal in origin, the most usual contagion is bacterial. To treat such an infection, you need to use metronidazole tablets as these are the antibiotics that are particularly catered to treating this type of bacterial infection. If you use metronidazole tablets, you will be able to effectively get rid of the infection and purge the infectious organism out of your body. Most doctors trust metronidazole tablets when it comes to treating UTI issues.