Urin. wbc21-50 rbc0-3, leukoera +, cloudy. all else neg. no growth culture but took macrobid b4. pain/all symp gone w/ cefdinir. trapped stone. uti?

WBC's: Can you be sure that the urine specimen contained no vaginal material which could have contained some sterile sediment? Did you have burning on urination and urinary frequency which are common in bladder infections? Some bacteria are difficult to culture and we often empirically treat culture negative patients with classic symptoms of a uti. Stones usually cause red blood cells in the urine.