Types

Kidney Infection (Pyelonephritis)

Choose a preferred language

Pyelonephritis is an infection of one or both kidneys.  It often starts as urinary tract infection or UTI.

© 2000-2026 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

Get Connected to a Care Manager

Get Connected
Related Articles
Read article
Urology
Kidney Stones

Kidney stones are a common problem, affecting about 12% of men and 5% of women. Stones are typically caused by an imbalance in the urinary system: too little water, too much oxalate, or too much calcium. In this video, you'll find out how the stones develop and what you can do to prevent them.

Read article
Urology
Blood in the Urine

Blood in the urine means there are red blood cells (RBCs) in the urine. Often the urine looks normal to the naked eye. But when checked under a microscope, it contains a high number of RBCs. Here's what you need to know.

Read article
Urology
Acute Kidney Injury

Acute Kidney Injury is a sudden episode of kidney failure or kidney damage, causing a build-up of waste products in your blood and excess fluid in your body. AKI can happen within a few hours or a few days, but it is treatable and your kidneys may recover, unlike in chronic kidney disease where the damage is permanent. Learn the causes and symptoms of Acute Kidney Injury in this program.

Read article
Urology
Automated Peritoneal Dialysis

Automated Peritoneal Dialysis, or APD, is a type of kidney dialysis that is usually done at home, often while a patient is sleeping. A special machine automatically cycles a washing fluid through the patient's abdomen 3 to 5 times a night, removing excess fluids and any waste material. Watch this program to learn more about APD.