Your child’s kidneys contain around a million nephrons which filter the blood and make urine. Each nephron contains a bundle of tiny blood vessels called a glomerulus (plural glomeruli).

Glomerulonephritis occurs when the glomeruli become swollen and inflamed.

About the urinary system

For many children, glomerulonephritis is mild and they will get better. Some children will have long-term problems with their kidneys and may need specialist treatment.

If your doctor has told you that your child has a specific type of glomerulonephritis, or a condition that causes glomerulonephritis, more information is available on the following pages:

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