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Living with Renal hypomagnesemia 6

A rare inherited condition in which the kidneys can't keep a healthy magnesium balance, causing weakness and seizures.

Understanding Renal hypomagnesemia 6

Renal hypomagnesemia 6 is a rare inherited electrolyte disease that affects how the kidneys handle magnesium, a mineral important for nerves and muscles.

People have low magnesium in the blood, even though the amount lost in urine isn't as high as expected. Many have brisk tendon reflexes. Some have mild to moderate delay in motor milestones, such as sitting or walking.

Signs & symptoms

Symptoms vary from person to person. GARD says typical ones include:

  • Weakness in the arms and legs
  • Dizziness or a spinning feeling (vertigo)
  • Headaches
  • Seizures
  • Brisk tendon reflexes
  • Delays in motor milestones

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

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

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

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
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
Would genetic testing help find the gene involved?
How should my magnesium levels be monitored and treated?
What should I do if seizures or weakness occur?

Quick facts

InheritanceAutosomal Dominant

GARD lists autosomal dominant inheritance, meaning one changed copy of a gene is enough. It doesn't name a gene here.

Also known as: homg6; renal hypomagnesemia type 6

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Renal hypomagnesemia 6GARD ID 12155 · 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 Renal hypomagnesemia 6.

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Explore actively recruiting Renal hypomagnesemia 6 studies with HealthSpark.

HealthSpark

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  • Recruiting studies from ClinicalTrials.gov
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  • 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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