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Living with Renal tubular acidosis

A group of genetic kidney conditions in which acid builds up in the blood because the kidney tubes can't clear it normally.

Understanding Renal tubular acidosis

Renal tubular acidosis is a group of genetic disorders of the kidney tubules in which acids build up in the body.

The blood has raised chloride and is too acidic (hyperchloremic metabolic acidosis). The kidney's tubes can't clear acid from the urine as they should. This can lead to low potassium, calcium in the urine, kidney stones, calcium deposits in the kidney, and rickets.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. The summary describes possible complications:

  • Acid buildup in the blood (metabolic acidosis)
  • Low potassium (hypokalemia)
  • Calcium in the urine (hypercalciuria)
  • Kidney stones
  • Calcium deposits in the kidney (nephrocalcinosis)
  • Weak, soft bones (rickets)

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with National Kidney Foundation
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Which type of renal tubular acidosis do I or my child have?
Would genetic testing help find the cause?
How should blood acid and potassium levels be monitored?

Quick facts

GARD says these are genetic disorders of the kidney tubules. It doesn't name a gene here.

Also known as: accumulation of acid in body due to kidney problem; rta - renal tubular acidosis

Patient organizations

Source: NIH GARD · Renal tubular acidosisGARD ID 7552 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Renal tubular acidosis.

Explore the Renal tubular acidosis blog

Explore research for Renal tubular acidosis

Explore actively recruiting Renal tubular acidosis studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Renal tubular acidosis with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
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  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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