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Living with Autosomal recessive distal renal tubular acidosis

A rare inherited kidney condition in which the kidneys lose bicarbonate, affecting growth and bones.

Understanding Autosomal recessive distal renal tubular acidosis

Autosomal recessive distal renal tubular acidosis is a rare inherited kidney condition in which too much bicarbonate is lost in the urine.

The summary describes a defect in part of the kidney (the proximal tubule) that does not take back enough bicarbonate. Beyond the kidneys, it can cause mild slowing of growth and lower bone density. Several fractures and delayed puberty are possible. Onset is listed as infancy and childhood.

Signs & symptoms

GARD doesn't list specific symptoms for this condition. The summary describes these features:

  • Bicarbonate lost in the urine
  • Mild slowing of growth
  • Lower bone density
  • Several bone fractures (possible)
  • Delayed puberty (possible)

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

    Specialists who may be involved include ear, nose, and throat specialists, genetic specialists and kidney specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
Ear, nose, and throat specialists (otolaryngologists); Genetic specialists (geneticists); Kidney specialists (nephrologists)
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 and other patient organizations
  • 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
Would genetic testing help find the cause?
How should my child's growth and bone health be monitored?
Which kidney specialist should follow this?

Quick facts

Symptoms usually startInfant and as a Child
InheritanceAutosomal Recessive

It is autosomal recessive, so a child inherits a changed copy of a gene from each parent. GARD does not name a gene here.

GeneticKidney

Also known as: ar drta; autosomal recessive distal renal tubular acidosis (disease); autosomal recessive distal rta; distal renal tubular acidosis (disease), autosomal recessive

Patient organizations

Source: NIH GARD · Autosomal recessive distal renal tubular acidosisGARD ID 4666 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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