my 19yr old daughter had uti 12/22/10,started amox tr-k clv 875 2x day 10 days, on 1/14/11 dr. found small amt of blood in urine, sent to lab had full blood work , some wbc, no blood in urine, culture negative, some bacteria, 228 cholestoral, metabolic panel all normal ranges exept ast 65, alt 99, she said kidneys good, not to worry about these levels, drink plenty fluids to flush urinary tract of any bacteria