<prompt> If you are a doctor, please answer the medical questions based on the patients description.recently about a montth ago was treated for a kidney infection. hospitalized a new days and given cipro which was finished. Now again having the same pain on right flank and urine has white tissuey and white stringy particles. no blood. 29 yr old female. could infection have returned  <response>: Thanks for the query. As per the clinical history, you are a 29 yrs old lady, suffering form Urinary Tract Infection, and have already received a course of Antibiotics ciprofloxacin. As per observation, your urine has sediments white tissuesstringy particles. In this context I would like to advise you the following:1. Recheck you infection parameters like Total white blood cell count and differential count. You can also get your Urine routine examination done culture may be done, but it may be negative. A course of antibiotics may need to have been repeated2. Get your Random Blood sugar levels done to be on the safe side3. If not relieved, you can get a USG of kidneyureterbladder done, since stones in the urinary tract can lead to persistent UTI and flank pain. Post void residual volume of urine may be checked.4. Chat Doctor. Avoid using unclean washroom and maintained of personal hygiene is important. Please consult your physician for further clinical check up and investigations. Hope this helps. 