2 months ago uti, culture Strep b, on cipro 5 days, got better, bout 1 month ago right side heavy and side pain with hip bone sore, back to dr white blood cells no blood, cipro 5 days, bothered me again last week had appointment with Endo, have thyroid and Hasamoto, urine culture clear, right side still heavy and discomfort in side, dr advised either ultrasound or ct ot colonospy, what do you think?