a 60 yr old indian woman, had diarrhea (treated with antibiotic cifran oz 500mg - twice daily for 5 days) .....then 5 days after diarrhea gets cured .. there is a sudden onset of asymptomatic gross hematuria (visible blood with urine, continued for 10-12 hrs) with lower pelvic discomfort , urine incontinence and stomach upset. but no abdominal pain . or fever. i am non diabetic, non smoker, non alcholic. (occasionally suffering from indigestion). never had gross hematuria before. ...following tests were done: USG of lower abdomen : clear. Urine Culture shows : e_coli bacteria KUV X-RAY : clear Routine urine report shows: RBC plenty (prior to medication) ------------------------------------------------------------------------------- ---- the following medicine were given till 5 days ---------- Antibiotic Tablet GLEVO 500mg once daily (bed time) Tablet PAUSE 500 mg (thrice daily for 6 days) Tablet Urispass ----------------------------------------------------------------------------------------------------------------- After 2 days of medication , a routine urine analysis was done, where RBC was 2--3 hpf. ------------------------------------------------------------------------------------------------------------------ after 3 days of medication my gross hematuria symptoms are not present now. ****************** please suggest what caused this gross hematuria ?