My Doctor prescribed Metronidazole for my Bladder Infection, but in the past, I remember receiving a small red pill for the same problem. This is a new medication that I have never taken before. I trust my doctor, but I'm still skeptical.
Metronidazole is an antibiotic used to treat bacterial infections, which can include bladder infections. In one guide I read, it recommended metronidazole for recurrent or persistent urinary tract infections.
For additional reading, consider health central's site on the Bladder: