Skip to content
knowrare
HealthSignal
Your condition community

Living with Hereditary spastic paraplegia 35

A rare nervous system condition starting in childhood, with leg then arm stiffness, speech and breathing issues, and iron buildup in the brain.

Understanding Hereditary spastic paraplegia 35

Hereditary spastic paraplegia 35 is a rare genetic disease of the nervous system with stiff muscles and overactive reflexes.

Stiffness and brisk reflexes start in the legs and then the arms. It usually starts in childhood, but can start in the teens. Other symptoms include breathing and speech problems and involuntary muscle contractions. Some people have mild decline in thinking skills, loss of optic nerve function, and seizures. Brain scans show white matter changes and iron buildup.

Signs & symptoms

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

  • Stiff muscles (spasticity)
  • Trouble walking and frequent falls
  • Speech trouble (dysarthria)
  • Muscle contractions that twist the body (dystonia)
  • Intellectual disability
  • Loss of thinking skills

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 brain and nervous system specialists and genetic specialists.

  3. Consider genetic testing

    Changes in FA2H are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  4. Connect with expert centers

    Spastic Paraplegia Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
Expert care
Expert lists: Spastic Paraplegia Foundation
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 Spastic Paraplegia Foundation
  • 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
Could genetic testing for the FA2H gene confirm the diagnosis?
How can breathing and speech problems be supported?
Which specialists should follow my care?

Quick facts

Symptoms usually startChild and as a Teenager
InheritanceAutosomal Recessive
GenesFA2H

It is caused by changes in the FA2H gene. It is autosomal recessive, so a child inherits a changed copy of the gene from each parent.

GeneticNeurological

Also known as: autosomal recessive spastic paraplegia 35; autosomal recessive spastic paraplegia type 35; fa2h hereditary spastic paraplegia; hereditary spastic paraplegia caused by mutation in fa2h; hereditary spastic paraplegia type 35; leukodystrophy, dysmyelinating and spastic paraparesis with or without dystonia

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Hereditary spastic paraplegia 35GARD ID 10538 · 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 Hereditary spastic paraplegia 35.

Explore the Hereditary spastic paraplegia 35 blog

Explore research for Hereditary spastic paraplegia 35

Explore actively recruiting Hereditary spastic paraplegia 35 studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Hereditary spastic paraplegia 35 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

Powered by HealthSpark, our AI chat helper

I can help you find recruiting Hereditary spastic paraplegia 35 studies. Enter a ZIP code, address or city below and I'll look within 50 miles.

Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

Get Signals for Hereditary spastic paraplegia 35

Stay in the loop with community stories and updates from medical researchers.

HealthStoryfor Hereditary spastic paraplegia 35

Create a living journal that talks back

HealthStory evolves private journaling with a living AI journal that talks back and asks thoughtful questions, helping you capture your Hereditary spastic paraplegia 35 experiences more deeply and prepare for better conversations with your doctors and care team.

Start your journal

Your journal is private. Sharing your story publicly is a separate choice, made with Share your story above.