Short answer · Medically reviewed summary · Last updated: 2026-04-06

Hereditary Spastic Paraplegia is a strictly genetic condition and is not contagious, meaning it cannot be spread through touch, proximity, or any form of social or physical interaction. The Genetic Nature of the Condition Hereditary Spastic Paraplegia (HSP) is caused by mutations in genes that are responsible for the health and maintenance of the long nerve fibers (axons) in the spinal cord. Because the condition is inherited—typically through autosomal dominant, autosomal recessive, or X-linked patterns—it is fundamentally a result of an individual's unique genetic code.

4 people with Hereditary Spastic Paraplegia have shared their first-person experience on this question at DiseaseMaps.

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Is Hereditary Spastic Paraplegia contagious?

Is Hereditary Spastic Paraplegia contagious? Clear, medically reviewed answer on transmission, with sources.

Is Hereditary Spastic Paraplegia contagious?

Hereditary Spastic Paraplegia is a strictly genetic condition and is not contagious, meaning it cannot be spread through touch, proximity, or any form of social or physical interaction.



The Genetic Nature of the Condition


Hereditary Spastic Paraplegia (HSP) is caused by mutations in genes that are responsible for the health and maintenance of the long nerve fibers (axons) in the spinal cord. Because the condition is inherited—typically through autosomal dominant, autosomal recessive, or X-linked patterns—it is fundamentally a result of an individual's unique genetic code. It is not caused by viruses, bacteria, or any infectious pathogens, so there is absolutely no risk to family members, caregivers, or friends when living with or caring for someone with Hereditary Spastic Paraplegia.



Addressing Misconceptions


Sometimes, individuals may mistakenly perceive Hereditary Spastic Paraplegia as contagious due to a lack of public awareness regarding neurodegenerative and genetic disorders. Because the condition involves progressive mobility challenges, observers may confuse the physical symptoms with those of infectious diseases that affect the nervous system. Please be assured that you cannot "catch" Hereditary Spastic Paraplegia from another person. The condition does not have environmental triggers like viruses or toxins; rather, it is a programmed biological process dictated by the body’s genetic instructions.



Living Without Fear


Stigma often arises from misunderstanding, but it is vital to know that social interaction, sharing meals, and physical contact are completely safe. Families should feel empowered to engage in normal daily activities without any concern for contagion. Hereditary Spastic Paraplegia is a complex, life-long journey for those diagnosed, and social support remains one of the most important factors in maintaining quality of life. Understanding that this condition is purely genetic helps to dismantle the social barriers that many patients unfairly encounter.



Medical Disclaimer: This information is for educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions regarding a medical condition.



References



  • NIH Genetic and Rare Diseases Information Center (GARD): Hereditary Spastic Paraplegia

  • Orphanet: Hereditary Spastic Paraplegia

  • OMIM (Online Mendelian Inheritance in Man): Spastic Paraplegia, Hereditary

  • Spastic Paraplegia Foundation

Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-04-06
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
5 answers
No it is not contagious

Posted Nov 9, 2017 by Leigh 1850
No HSP is not contagious in any way. It is completely a genetic condition derived from one's parents.

Posted Mar 19, 2018 by Franc1s77 3550
Not in the slightest.

Posted May 10, 2018 by Evan 1620
No, but my neighbor lady is painting her house with a 2 inch brush.
Her husband said it will take the contagious.

Posted Mar 13, 2019 by Craig 3550

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Stories of Hereditary Spastic Paraplegia

HEREDITARY SPASTIC PARAPLEGIA STORIES
Hereditary Spastic Paraplegia stories
I am 52 years old and was diagnosed with Hereditary Spastic Paraplegia (HSP) when I was 36.  HSP is a progressive neurological condition caused by the inheritance of a faulty gene from an affected parent. My onset of this condition occurred in my la...
Hereditary Spastic Paraplegia stories
Hi I have HSP SPG3A I am one of 7 over 3 generations who have it. 
Hereditary Spastic Paraplegia stories
I started showing minor symptoms (heavy footedness) in 2007/8. There wasnt any previous knowledge of health issues anywhere on either side of my family that we knew of. Talking with my older brother on the phone, he lives in Sydney, we realised we bo...
Hereditary Spastic Paraplegia stories
I am 53 and have been symptomatic all my life, (HSP3a). I have a cousin with HSP, but we don't keep in touch, my dad and an aunt also had HSP, but have since passed away. Other than these 3 family members i have never met anyone else with this diseas...
Hereditary Spastic Paraplegia stories
With a family history of her mum being crippled and her grandmother in a wheelchair, neither living to an elderly age, Mum did not know there was a hereditary disease causing disability in her family.  It's difficult to pinpoint the onset of mum's ...

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