Reflux Nephropathy: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Reflux Nephropathy?
A nephrologist, a kidney specialist, is the main doctor who treats reflux nephropathy; children are often treated by a pediatric nephrologist. A urologist may be involved if surgery is considered. A primary care doctor usually manages the first steps, then refers to a specialist.
What it is
Reflux nephropathy is kidney damage caused by urine flowing backward from the bladder up toward the kidneys. Doctors call this backward flow vesicoureteral reflux: urine moves the wrong way through a tube called the ureter. The backflow can push bacteria up to the kidney, causing repeated infections and scarring that keeps the kidney from working as well as it should.
Symptoms
Some people have no symptoms. Symptoms often come from urinary tract infections: a burning feeling when urinating, a strong urge to go often, cloudy or smelly urine, and lower belly pain. A kidney infection can also cause fever, chills, and back or side pain. In babies and young children, signs may be vague, such as fever without a clear cause, poor feeding, or fussiness. Long-standing scarring can cause high blood pressure or swelling in the legs and feet.
Causes and who gets it
Reflux nephropathy usually starts with vesicoureteral reflux present from birth. Normally, a valve where the ureter meets the bladder keeps urine flowing in one direction, but this valve may not work properly in some children. The condition is most often found in infants and young children, and girls are affected more often than boys.
How doctors diagnose it
Doctors often find it after repeated urinary tract infections. Tests may include a urine test, blood tests of kidney function, an ultrasound, and a voiding cystourethrogram, an X-ray that shows whether urine flows backward from the bladder.
Treatment
Treatment aims to prevent infections and protect the kidneys. Antibiotics treat infections and, in low doses, may prevent new ones. Regular checkups include urine testing, blood pressure checks, and kidney function tests. In severe cases, surgery can correct the valve problem.
When to see a doctor
See a doctor for a burning feeling when urinating, a frequent urge to go, cloudy or smelly urine, or pain in the belly, back, or side. Fever, chills, or vomiting with these symptoms needs prompt care because it may mean a kidney infection. Babies with a fever without a clear cause should be checked.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance; a concierge doctor usually charges more and often works alongside insurance. Either can test urine, treat simple infections, check blood pressure, and order labs or imaging, referring to a nephrologist or urologist when needed.
Common questions
Does reflux nephropathy go away on its own?
The backflow itself often improves or stops as a child grows. Scar tissue that has already formed usually does not go away. Doctors monitor kidney function over time.
Can adults have reflux nephropathy?
Yes. Some adults were diagnosed as children; others learn about it after testing for high blood pressure, kidney problems, or repeated urinary tract infections.
Is reflux nephropathy hereditary?
It can run in families. A child with a parent or sibling who had vesicoureteral reflux has a higher chance of having it too.
Can it be prevented?
The birth defect causing the backflow cannot be prevented, but treating urinary tract infections promptly and following the monitoring plan may help reduce further kidney damage.
Sources
- MedlinePlus - Reflux nephropathy
- MedlinePlus - Chronic kidney disease: MedlinePlus Medical Encyclopedia
Medical Disclaimer
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