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Diseases

Genetic and Rare Diseases Information Center (GARD)

Cytochrome c oxidase deficiency


Other Names for this Disease
  • Mitochondrial complex IV deficiency
  • Complex 4 mitochondrial respiratory chain deficiency
  • Deficiency of mitochondrial respiratory chain complex4
  • COX deficiency
  • Complex IV deficiency
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.

Your Questions Answered


2 question(s) from the public on this disease have been answered. Submit a new question.
  • Are there any cures or treatments for mitochondrial complex IV deficiency in a child of 18 months? Click here for answer

  • I am a healthcare provider for a 4-year-old girl with cytochrome C oxidase deficiency. How does this condition manifest? What is the life expectancy for a child with this diagnosis? She continues to gain new skills, but will she at some point show a regression in skills? She is diagnosed as having cortical visual impairment, though she continues to rely on her vision to gain information about her environment. Will she eventually go completely blind? Click here for answer

Other Names for this Disease
  • Mitochondrial complex IV deficiency
  • Complex 4 mitochondrial respiratory chain deficiency
  • Deficiency of mitochondrial respiratory chain complex4
  • COX deficiency
  • Complex IV deficiency
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.