When Bacteria get access to the urinary tract through the urethra they multiply there and travel towards the bladder and even reached the kidneys where they cause severe infection termed as kidney infection. This infection is recognized by following indications
Frequent and painful urination
Burning sensation during urination
Pus or blood in your urine
Cloudy urine having bad smell
To treat kidney infection potent antibiotics are prescribed. If the kidney is severally damaged surgery may be recommended.