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Living with Diabetes-deafness syndrome maternally transmitted

A mitochondrial form of diabetes with hearing loss, usually starting in mid-adulthood.

Understanding Diabetes-deafness syndrome maternally transmitted

Diabetes-deafness syndrome, maternally transmitted (MIDD), is a form of diabetes that often comes with hearing loss, especially of high tones.

The diabetes comes from too little insulin, which raises blood sugar. Diabetes and hearing loss usually begin in mid-adulthood but can start from childhood to late adulthood, with hearing loss usually first. Some people have colored patches in the retina, muscle cramps or weakness, heart or kidney problems, or constipation. People are often shorter than their peers.

Signs & symptoms

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

  • Limited side vision

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.

  4. Connect with expert centers

    United Mitochondrial Disease Foundation and MitoAction may keep lists of experts for this condition.

Care & treatment

Care team
Genetic specialists (geneticists)
Expert care
Expert lists: United Mitochondrial Disease Foundation, MitoAction
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 United Mitochondrial Disease 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
Should my relatives on my mother's side be tested?
How often should hearing and blood sugar be checked?
Should the heart, kidneys, and retina be monitored?

Quick facts

InheritanceMitochondrial

GARD says changes in genes cause this condition. It lists mitochondrial inheritance, which is passed down through the mother.

GeneticMitochondrial

Also known as: ballinger wallace syndrome; ballinger-wallace syndrome; diabetes and hearing loss; diabetes mellitus type ii with deafness; maternally inherited diabetes and deafness; maternally-inherited diabetes and deafness

Patient organizations

Source: NIH GARD · Diabetes-deafness syndrome maternally transmittedGARD ID 27358 · 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 Diabetes-deafness syndrome maternally transmitted.

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