Kinds of urinary tract infections - reduced tract infections (bladder - cystitis, urethritis, connected glands) are the most frequent and are produced largely by Escherichia coli, Proteus seldom or mycoplasma and fungi. Higher tract infections: kidney nephrons, papillae, potassium, basin, ureters. Infections of renal parenchyma are much more extreme than the reduced urinary tract. My websites: Home Remedies for Dog Bladder Infection - The Dog Owners 6 Step Guide