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Living with Syngnathia multiple anomalies

A rare genetic condition with jaws joined by bone and varied differences in growth, the eyes, ears, and limbs.

Understanding Syngnathia multiple anomalies

Syngnathia multiple anomalies is a rare genetic condition in which the upper and lower jaws are joined by bone, along with other differences.

The degree of jaw joining varies. Other features vary too and may include slow growth, intellectual disability, a small head, eye differences, shaky eye movements, hearing loss, and spine bone differences. Genital, limb, and facial differences can also occur. Signs may begin during pregnancy, at birth, or in infancy.

Signs & symptoms

GARD doesn't list specific symptoms in a separate list. The summary describes:

  • Upper and lower jaws joined by bone
  • Slow growth
  • Intellectual disability
  • Small head size
  • Eye differences and shaky eye movements
  • Hearing loss

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 and 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
Bone and joint specialists (orthopedists or orthopedic surgeons); 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 rare disease patient organizations for support
  • 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
How will feeding and breathing be supported?
Which surgical options exist for the jaws?
Is genetic testing available for our family?

Quick facts

Symptoms usually startduring Pregnancy, at Birth, and as an Infant

Changes in genes (variants) cause this condition. GARD doesn't list which gene or how it is inherited.

Genetic

Also known as: dobrow syndrome; syngnathia-multiple anomalies syndrome; syngnathia, multiple anomalies syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Syngnathia multiple anomaliesGARD ID 5092 · 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 Syngnathia multiple anomalies.

Explore the Syngnathia multiple anomalies blog

Explore research for Syngnathia multiple anomalies

Explore actively recruiting Syngnathia multiple anomalies studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Syngnathia multiple anomalies 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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