Your browser does not support javascript:   Search for gard hereSearch for news-and-events here.


Genetic and Rare Diseases Information Center (GARD)

Print friendly version

Spinocerebellar ataxia

Información en español


Spinocerebellar ataxia (SCA) is a group of inherited conditions that are characterized by degenerative changes of the nervous system (brain and spinal cord).[1] There are many different types of SCA; the signs and symptoms vary by type but may include an uncoordinated walk (gait), poor hand-eye coordination, and abnormal speech (dysarthria).[2][3] Depending on the type, SCA can be inherited in an autosomal dominant, autosomal recessive, or X-linked manner. Treatment is supportive and based on the signs and symptoms present in each person.[3]
Last updated: 12/2/2014


  1. NINDS Ataxias and Cerebellar or Spinocerebellar Degeneration Information Page. National Institute of Neurological Disorders and Stroke. April 2014;
  2. Opal P, Zoghbi, HY. The Spinocerebellar Ataxias. UpToDate. November 2014; Accessed 2/12/2015.
  3. Autosomal Dominant Hereditary Ataxia. NORD. April 2014;
Your Questions Answered
by the Genetic and Rare Diseases Information Center

Please contact us with your questions about Spinocerebellar ataxia. We will answer your question and update these pages with new resources and information.

Basic Information

In Depth Information

  • The Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Spinocerebellar ataxia. Click on the link to view a sample search on this topic.
Other Names for this Disease
  • SCA
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.