urinary tract infection
microbial infection, usually bacterial, of any part of the urinary tract; may involve the parenchyma of the kidney, the renal pelvis, the ureter, the bladder, the urethra or combinations of these organs. Often, the entire urinary tract is affected; the most common organism causing such infection is Escherichia coli.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.