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(Glomerular Disease)

Pronounced: glom-air-u-lo-nuh-FRI-tis


Glomerulonephritis is damage to the glomeruli. Glomeruli are the tiny structures within the kidney that filter blood.

The kidneys are bean-shaped organs located in the back just below the rib cage. Each kidney is about the size of a fist. The 2 kidneys filter blood, catch needed substances and return them to the circulation, and dispose of wastes in the urine. If the kidneys don’t filter properly, wastes build up in the blood.

There are 2 types of glomerulonephritis:

  • Acute glomerulonephritis begins suddenly.
  • Chronic glomerulonephritis develops gradually over several years.

In some cases, glomerulonephritis leads to kidney failure. Kidney failure is a severe kidney disease that must be treated with dialysis or kidney transplant.

Anatomy of the Kidney

Copyright © Nucleus Medical Media, Inc.

Causes    TOP

Causes of glomerulonephritis include:

Risk Factors    TOP

Factors that may increase your chance of glomerulonephritis include:

  • Family history of glomerulonephritis
  • The presence of a known cause of glomerulonephritis
  • Exposure to a cause
  • High blood pressure

Symptoms    TOP

Glomerulonephritis sometimes causes no symptoms and is discovered during a routine urine test. When present, the symptoms of acute and chronic glomerulonephritis differ from 1 another.

The symptoms of acute glomerulonephritis may include:

  • Blood in urine
  • Foamy appearance of urine
  • Less frequent urination
  • Swelling in the morning, especially in the face, feet, hands, and abdomen

Chronic glomerulonephritis can lead to kidney failure. Symptoms may include:

  • Fatigue
  • Dry, itchy skin
  • Nausea and vomiting
  • Poor appetite
  • Muscle cramps at night
  • Swelling of the face, feet, hands, or abdomen

Diagnosis    TOP

You will be asked about your symptoms and medical history. A physical exam will be done. You may be referred to a nephrologist who specializes in kidney disease for further diagnostic testing and treatment.

Tests may include

  • Blood tests
  • Urine tests
  • Kidney biopsy

Imaging tests may be done to evaluate the kidneys and surrounding structures. This can be done with:

Treatment    TOP

Treatment will depend on the cause of glomerulonephritis. The following steps may be taken to help kidney function or reduce further damage:


Glomerulonephritis can be treated with:

  • Diuretics to reduce fluid retention
  • Corticosteroids to suppress the immune system
  • ACE inhibitors to control blood pressure and protein excretion

Lifestyle Changes

  • Restrict salt and water intake.
  • Restrict intake of potassium, phosphorous, and magnesium.
  • Cut down on protein in the diet.
  • Maintain a healthy weight through diet and exercise.
  • Take calcium supplements.

Dialysis and Transplant    TOP

If the kidneys are unable to remove sufficient waste from the blood, dialysis may be required. Temporary dialysis may be sufficient for acute glomerulonephritis. If it leads to permanent kidney failure, chronic glomerulonephritis will require long-term dialysis or kidney transplant.

Prevention    TOP

To help reduce your chance of glomerulonephritis:

  • Follow treatment plans for chronic disorders, such as high blood pressure or diabetes.
  • Seek prompt treatment for a sore throat.
  • Practice safe sex and avoid drug use to reduce the risk of HIV infection.


National Institute of Diabetes and Digestive and Kidney Diseases
National Kidney Foundation


Kidney Foundation of Canada


Glomerulonephritis (list of topics). EBSCO DynaMed Plus website. Available at: http://www.dynamed.... Updated May 26, 2016. Accessed June 1, 2016.
Glomerulonephritis. National Kidney Foundation website. Available at: Accessed June 1, 2016.
Last reviewed June 2016 by Adrienne Carmack, MD
Last Updated: 5/28/2014

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