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Living with Renal tubular acidosis, distal, 4, with hemolytic anemia

A rare genetic condition in which the kidneys can't clear acid properly and red blood cells break down early.

Understanding Renal tubular acidosis, distal, 4, with hemolytic anemia

Renal tubular acidosis, distal, 4, with hemolytic anemia is a rare form of distal renal tubular acidosis that also involves inherited hemolytic anemia.

The kidneys can't clear acid well, and red blood cells break down faster than normal, causing anemia. GARD lists onset in the newborn or infant period.

Signs & symptoms

GARD doesn't list common symptoms for this condition yet. It lists these less common features:

  • Anemia from early breakdown of red blood cells (hemolytic anemia)
  • Small red blood cells
  • Increased numbers of young red blood cells
  • Loss of appetite

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 blood and bone marrow specialists, genetic specialists and kidney specialists.

  3. Consider genetic testing

    Changes in SLC4A1 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Blood and bone marrow specialists (hematologists); 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 for the SLC4A1 gene help our family?
How should blood acid levels and blood counts be monitored?
What treatments can help with the acid buildup and anemia?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive
GenesSLC4A1

This condition is caused by changes in the SLC4A1 gene. A child inherits a changed copy of the gene from each parent (autosomal recessive).

GeneticKidneyBlood

Also known as: distal renal tubular acidosis 4 with hemolytic anaemia; distal renal tubular acidosis 4 with hemolytic anemia; distal renal tubular acidosis with anaemia; distal renal tubular acidosis with anemia; drta with anaemia; drta with anemia

Patient organizations

Source: NIH GARD · Renal tubular acidosis, distal, 4, with hemolytic anemiaGARD ID 12354 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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