Hello, Im 66 yrs, female.I got high fever & backache. My urine routine report is SG-1.030, proteins-traces 10mg/dL,leucocyte esterase positive, pus cells 5-7WBC/HPF, crystals calcium oxalate, Urine culture report -No growth after 48hrs of aerobic incubation at37C. I am taking Ofloxacin 200mg, Renalka syrup. How come culture has no bacteria . Pls help.