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Dwarfism
URL of this page: https://medlineplus.gov/dwarfism.html

Dwarfism

Also called: Little person
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  • Diagnosis and Tests

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  • Journal Articles

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Summary

People with dwarfism have short stature. This means that their height is under 4' 10" as an adult. They are usually of normal intelligence. Dwarfism most often does happen in families where both parents are of average height.

More than 300 different conditions can cause dwarfism. Achondroplasia is the most common type of dwarfism. Achondroplasia is a genetic condition that affects about 1 in 15,000 to 1 in 40,000 people. It makes your arms and legs short in comparison to your head and trunk. You may also have a larger head and weak muscle tone. Other genetic conditions, kidney disease, and problems with metabolism or hormones can also cause dwarfism.

The conditions that cause dwarfism can also cause other health problems. Most of them are treatable. It is important to have regular checkups throughout your life. With proper medical care, most people with dwarfism have active lives and live as long as other people.

Start Here

  • Achondroplasia: About the Disease From the National Institutes of Health (Genetic and Rare Diseases Information Center) Also in Spanish
  • Dwarfism (Mayo Foundation for Medical Education and Research) Also in Spanish
  • Dwarfism (For Parents) (Nemours Foundation) Also in Spanish

Diagnosis and Tests

  • Genetic Testing (For Parents) Video (Nemours Foundation) Also in Spanish

Genetics

  • 3-M syndrome: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Achondrogenesis: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Achondroplasia: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Anauxetic dysplasia: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Asphyxiating thoracic dystrophy: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Atelosteogenesis type 2: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Campomelic dysplasia: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Cartilage-hair hypoplasia: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Diastrophic dysplasia: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Fibrochondrogenesis: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Hypochondrogenesis: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Hypochondroplasia: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Isolated growth hormone deficiency: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Kniest dysplasia: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Laron syndrome: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Meier-Gorlin syndrome: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Metatropic dysplasia: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Osteoglophonic dysplasia: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Robinow syndrome: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Saul-Wilson syndrome: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Spondyloepimetaphyseal dysplasia, Strudwick type: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Spondyloepiphyseal dysplasia congenita: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Spondylothoracic dysostosis: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)
  • Thanatophoric dysplasia: MedlinePlus Genetics From the National Institutes of Health (National Library of Medicine)

Clinical Trials

  • ClinicalTrials.gov: Achondroplasia From the National Institutes of Health (National Institutes of Health)
  • ClinicalTrials.gov: Dwarfism From the National Institutes of Health (National Institutes of Health)

Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)

  • Article: Impact of growth hormone therapy on bone and body composition in...
  • Article: CDK4 loss-of-function mutations cause microcephaly and short stature.
  • Article: Long-Term Efficacy and Safety of Growth Hormone in Children Suffering from...
  • Dwarfism -- see more articles

Find an Expert

  • Eunice Kennedy Shriver National Institute of Child Health and Human Development From the National Institutes of Health Also in Spanish

Children

  • Achondroplasia (For Parents) (Nemours Foundation) Also in Spanish
  • Campomelic Dysplasia (For Parents) (Nemours Foundation) Also in Spanish
  • Diastrophic Dysplasia (For Parents) (Nemours Foundation) Also in Spanish
  • Dwarfism (For Parents) (Nemours Foundation) Also in Spanish
  • Ellis-Van Creveld Dysplasia (For Parents) (Nemours Foundation) Also in Spanish
  • Hypochondroplasia (For Parents) (Nemours Foundation) Also in Spanish
  • Kniest Dysplasia (For Parents) (Nemours Foundation) Also in Spanish
  • Primordial Dwarfism (For Parents) (Nemours Foundation) Also in Spanish
  • Spondyloepiphyseal Dysplasia Congenita (SEDc) (For Parents) (Nemours Foundation) Also in Spanish

Teenagers

  • Dwarfism (Nemours Foundation) Also in Spanish

Patient Handouts

  • Achondroplasia (Medical Encyclopedia) Also in Spanish

Topic Image

Dwarfism

MEDICAL ENCYCLOPEDIA

  • Achondrogenesis
  • Achondroplasia
  • Ellis-van Creveld syndrome

Related Health Topics

  • Growth Disorders

National Institutes of Health

The primary NIH organization for research on Dwarfism is the Eunice Kennedy Shriver National Institute of Child Health and Human Development

Disclaimers

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The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.

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