While being treated for a bladder infection, drink plenty of fluids to help flush any bacteria out of the bladder. A common treatment is phenazopyridine (Pyridium), which is available over the counter.This is an anesthetic for the urinary tract, but doesn’t actually treat the infection.hile being treated for a bladder infection, drink plenty of fluids to help flush any bacteria out of the bladder. A common treatment is phenazopyridine (Pyridium), which is available over the counter.