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Living with Autosomal recessive hypophosphatemic bone disease

An inherited condition in which the kidneys lose phosphate, leading to soft bones and slowed growth.

Understanding Autosomal recessive hypophosphatemic bone disease

Autosomal recessive hypophosphatemic bone disease is a rare inherited condition in which the kidneys lose phosphate, which weakens the bones.

Low phosphate in the blood can cause rickets or osteomalacia, which are soft bones. Features include slow growth, short height, bone deformities, muscle weakness, and bone pain. Onset is listed as infancy and childhood. People may also have extra calcium in the urine.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Bone pain
  • Softening of the bones (osteomalacia)
  • Slow growth
  • Lower bone density
  • Kidney stones
  • Calcium buildup in the kidneys (nephrocalcinosis)

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 bone and joint specialists, genetic specialists, hormone specialists and kidney specialists.

  3. Consider genetic testing

    Changes in SLC34A3 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
Bone and joint specialists (orthopedists or orthopedic surgeons); Genetic specialists (geneticists); Hormone specialists (endocrinologists); 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
Can genetic testing for the SLC34A3 gene confirm the diagnosis?
How often should phosphate levels and bone health be checked?
Should my kidneys be checked for stones or calcium buildup?

Quick facts

Symptoms usually startInfant and as a Child
InheritanceAutosomal Dominant, Autosomal Recessive
GenesSLC34A3

It is caused by changes in the SLC34A3 gene. GARD lists both autosomal recessive and autosomal dominant inheritance.

GeneticKidneyEndocrine

Also known as: hereditary hypophosphatemic rickets with hypercalciuria; hhrh; hhrh - hereditary hypophosphatemic rickets with hypercalciuria; hypercalciuric hypophosphatemic rickets; hypercalciuric rickets; hypophosphatemic hypercalciuric rickets

Patient organizations

Source: NIH GARD · Autosomal recessive hypophosphatemic bone diseaseGARD ID 16977 · 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 Autosomal recessive hypophosphatemic bone disease.

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