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What is glomerulonephritis?

When the kidneys' filters (glomeruli) become inflamed and scarred it is called glomerulonephritis. The kidney’s slowly lose their ability to remove wastes and excess fluid from the blood to make urine.

What causes glomerulonephritis?

Glomerulonephritis can be caused by various of factors including:

  • Kidney disease due to diabetes
  • Toxins or medications
  • Viral infections such as HIV, hepatitis B and C viruses
  • IgA nephropathy
  • Lupus-related kidney inflammation
  • Bacterial infections that commonly cause throat and skin infections, such as strep or stap bacteria

What are the symptoms of glomerulonephritis?

The kidneys can be badly damaged before any symptoms appear. These are the most common symptoms:

  • Fatigue
  • High blood pressure
  • Swelling of the face, hands, feet, and abdomen
  • Blood and protein in the urine (hematuria and proteinuria)
  • Decreased urine output

The symptoms of glomerulonephritis may look like other medical conditions or problems. Always consult your health care provider for a diagnosis.

How is glomerulonephritis diagnosed?

Your health care provider will review your medical history and do a physical exam. Other tests may include:

  • Urinalysis. This test checks urine for red and white blood cells, infection, or too much protein.
  • Blood tests. Tests to measure the levels of waste products to find out how well the kidneys are filtering.
  • Ultrasound of the kidney. This test uses high-frequency sound waves and a computer to make images of blood vessels, tissues, and organs. It’s done to see whether the shape or size of the kidney is abnormal. Ultrasounds are used to view organs as they work, and to check blood flow through blood vessels.
  • Kidney biopsy. In this test, tissue samples are removed from the kidney and checked under a microscope.

What is the treatment for glomerulonephritis?

Your health care provider will figure out the best treatment based on:

  • How old you are
  • Your overall health and medical history
  • How sick you are
  • How well you can handle specific medications, procedures, or therapies
  • How long the condition is expected to last
  • Your opinion or preference

Unfortunately, kidney disease cannot be cured. Treatments focus on slowing the progression of the disease and preventing complications. Treatment may include:

  • Blood pressure medications such as ACE (angiotensin-converting enzymes) inhibitors that protect blood flow into the kidneys.
  • Cortiscosteroids may be used to decrease inflammation that leads to scar tissue.
  • Diuretics (water pills) may be used to remove excess fluid in the body through more urine production.
  • Diet changes including eating less protein, sodium, and potassium.
  • Dialysis to remove wastes and fluid from the blood after the kidneys have stopped working.
  • Kidney transplant which replaces your diseased kidney with a healthy kidney from a donor.

Complications of glomerulonephritis

Even with proper treatment, complications may develop. Your kidney function may decrease to the point of kidney failure. If this happens, you may need dialysis or a kidney transplant.

When should I call my health care provider?

If your symptoms get worse or you have new symptoms, let your health care provider know.

Key points about glomerulonephritis

  • Glomerulonephritis is inflammation and damage to the filtering part of the kidneys (glomerulus). It can come on quickly or over a longer period of time. Toxins, metabolic wastes and excess fluid are not properly filtered into the urine. Instead, they build up in the body causing swelling and fatigue.
  • The condition can progress to the point that dialysis is needed to clean the blood and remove excess fluid and toxins.
  • A kidney transplant may be needed if end-stage renal disease (ESRD) or kidney failure develops.

Next steps

Tips to help you get the most from a visit to your health care provider:
  • Before your visit, write down questions you want answered.
  • Bring someone with you to help you ask questions and remember what your provider tells you.
  • At the visit, write down the names of new medicines, treatments, or tests, and any new instructions your provider gives you.
  • If you have a follow-up appointment, write down the date, time, and purpose for that visit.
  • Know how you can contact your provider if you have questions.
Glomerulonephritis - WellSpan Health

Online Medical Reviewer: Foster, Sara, RN, MPH
Online Medical Reviewer: Snyder, Mandy L., MSN, ACNP-BC
Last Review Date: 2014-02-25T00:00:00
Last Modified Date: 2015-11-10T00:00:00
Published Date: 2015-11-10T00:00:00
Last Review Date: 2007-03-30T00:00:00
© 2016 WellSpan Health. All Rights Reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

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