Signs of kidney infection
Kidney infection (pyelonephritis) is a type of urinary tract infection (UTI) that generally begins in your urethra or bladder and travels to one or both of 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.
Kidney infection treatment, which usually includes antibiotics, might require hospitalization.
Sign and Symptoms Kidney Infection
Signs and symptoms of a kidney infection might include:
- Fever
- Chills
- Back, side (flank) or groin pain
- Abdominal pain
- Frequent urination
- Strong, persistent urge to urinate
- Burning sensation or pain when urinating
- Nausea and vomiting
- Pus or blood in your urine (hematuria)
- Urine that smells bad or is cloudy
When to see a doctor
Make an appointment with your doctor if you have worrisome signs or symptoms. If you’re being treated for a urinary tract infection but your signs and symptoms aren’t improving, make an appointment.
Severe kidney infection can lead to life-threatening complications. Seek immediate medical attention if you have kidney infection symptoms combined with bloody urine or nausea and vomiting.