Kidney Infection
Kidney infection (pyelonephritis) is a specific type of urinary tract infection (UTI) that generally begins in your urethra or bladder and travels up into your kidneys.

A kidney infection requires prompt medical attention. If not treated properly, a kidney infection can permanently damage your kidneys or the bacteria can spread to your bloodstream and cause a life-threatening infection.

 

Symptoms
Signs and symptoms of a kidney infection may include:

- Fever
- Back, side (flank) or groin pain
- Abdominal pain
-  Frequent urination
- Strong, persistent urge to urinate
- Burning sensation or pain when urinating
- Pus or blood in your urine (hematuria)
- Urine that smells bad or is cloudy