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Understanding your child's condition is an important step on your treatment journey. Learn more about causes, symptoms and diagnosis for a variety of conditions, as well as unique treatments and research being performed at Children's National.


Glomerulonephritis is a type of kidney disease where the blood vessels become inflamed. Learn more about this condition.

Kidney Disease

Kidney disease (renal failure) is short-term or permanent damage to the kidneys that results in loss of normal kidney function. Learn more about this condition in children.

Hemolytic Uremic Syndrome

Hemolytic uremic syndrome (HUS) occurs when damaged red blood cells block the kidney's filtering system which can lead to kidney failure in children. Learn more about this condition.

Horseshoe Kidney

Horseshoe kidney is when the two kidneys join (fuse) together at the bottom. Read more about this condition.


Hydronephrosis means that the kidneys are abnormally dilated or overfilled with urine. Learn more about this condition.


High blood pressure is also called hypertension. Learn more about this condition.

Nephrotic Syndrome

Nephrotic syndrome is a problem where too much protein called albumin is released from the body into the urine. Learn more about this condition.

Polycystic Kidney Disease

Polycystic kidney disease (PKD) is a genetic disorder that causes the growth of numerous fluid-filled cysts in the kidneys. Learn more about this condition.

Posterior Urethral Valve

Posterior urethral valves are a problem with the urethra in a boy. Learn more about this condition.

Prune Belly Syndrome

Prune belly syndrome is a rare type of birth defect that includes missing muscles in the belly, undescended testicles and problems with the kidneys and the upper urinary tract. Learn more about this condition.