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Living with Propionic acidemia

An inherited condition in which the body can't properly break down parts of proteins and fats, usually showing in newborns.

Understanding Propionic acidemia

Propionic acidemia is an inherited disorder in which the body can't process certain parts of proteins and fats properly.

It is an organic acid disorder, meaning certain acids build up in the blood, urine, and tissues and can cause serious health problems. In most cases signs appear within days of birth. Less commonly, signs appear in childhood and come and go. Fasting, fever, or infection can trigger more serious episodes.

Signs & symptoms

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

  • Poor feeding and vomiting
  • Low energy (lethargy)
  • Low muscle tone (hypotonia)
  • Enlarged liver
  • Irregular heartbeat
  • Delayed development or intellectual disability

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 genetic specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
Genetic specialists (geneticists)
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 Organic Acidemia Association 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
Which gene change does my child have, and can we have genetic testing?
What can we do to prepare for illness or fasting?
Which specialists should be on our care team?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive

GARD says gene changes cause this condition. A child inherits a changed copy of the gene from each parent (autosomal recessive).

GeneticInherited Metabolic

Also known as: glycinemia, ketotic; hyperglycinemia with ketoacidosis and leukopenia; hyperglycinemia with ketosis and leukopenia; ketotic glycinemia; ketotic hyperglycinemia; ketotic ii glycinemia

Patient organizations

Source: NIH GARD · Propionic acidemiaGARD ID 467 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

Explore research for Propionic acidemia

Explore actively recruiting Propionic acidemia studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Propionic acidemia with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • 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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