Talk to Urologist on Too Much Pus In Urine

For last 2 weeks my mother is feeling very weak and powerless, I tested her urine and pus rate was so high around 25. It's been 4-5 time she got same problem. I want to know what really is the root problem and what's the proper treatment. Please advice and recommend any soultion or doctor etc. Which type of doctors deal such issues.

Also, she has a history of heart and blood pressure but no sugar at all.