Primary Hyperoxaluria: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Primary Hyperoxaluria?
Care usually involves a nephrologist, a doctor who specializes in kidney diseases, and sometimes a geneticist or urologist. Most patients need a team of these specialists over time. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What is primary hyperoxaluria?
Primary hyperoxaluria is a rare inherited condition in which the liver makes too much of a substance called oxalate, a natural waste chemical. The extra oxalate builds up in the body. It can harm the kidneys, the organs that filter waste from the blood. It is passed down through families and is present from birth.
The liver produces far more oxalate than the kidneys can remove. The extra oxalate joins with calcium in the urine to form crystals and stones that can damage the kidneys so badly that they stop working well.
Symptoms
Symptoms vary from person to person. Some babies show signs early, while others do not have problems until adulthood. Common signs include kidney stones, along with blood in the urine and urinary tract infections.
Causes and who gets it
Primary hyperoxaluria is caused by inherited gene changes. A child gets these changes from both parents, and parents who carry only one changed gene usually have no symptoms. Of the three main types, type 1 is the most common and often the most serious.
How doctors diagnose it
Doctors may order urine tests to measure oxalate levels, imaging scans such as an ultrasound, and blood tests to show how well the kidneys are working. Genetic testing can confirm the diagnosis.
Treatment
Many patients drink extra fluids and take medicines that keep oxalate from forming crystals in the urine. Some take vitamin B6, and newer medicines can lower the amount of oxalate the liver makes. In serious cases where the kidneys fail, patients may need dialysis, a kidney transplant, or a liver transplant, since the liver is where the problem starts.
When to see a doctor
Anyone with blood in the urine, severe back or side pain, or repeated kidney stones should see a doctor soon. Getting checked early can help protect the kidneys before lasting damage occurs.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance, while a concierge doctor usually charges more and often works alongside insurance. Either kind can be a helpful home base, offering longer appointments and easier access for coordinating care.
Common questions
Is primary hyperoxaluria curable?
There is no simple cure for most patients, but treatments can lower oxalate levels and protect the kidneys. Some patients with severe disease may be treated with a liver transplant, which removes the source of the problem. Outcomes differ from person to person.
Can adults get primary hyperoxaluria?
Yes. Some people do not learn they have it until adulthood, often after passing kidney stones or having testing for another reason. A less severe form may only show up later in life.
Is it the same as regular kidney stones?
No. Most kidney stones are caused by diet, dehydration, or other common factors. Primary hyperoxaluria is an inherited condition, and the stones come from the liver making too much oxalate.
Should my family members get tested?
Because the condition is inherited, close relatives may carry the same gene changes. A genetic counselor or geneticist can help families decide if testing makes sense. This is a personal choice that families can discuss with their doctors.
Sources
- NIH Genetic and Rare Diseases Information Center - Primary hyperoxaluria
- MedlinePlus Genetics - Primary hyperoxaluria
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
