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Diseases

Genetic and Rare Diseases Information Center (GARD)

Complement component 2 deficiency


Other Names for this Disease
  • Immunodeficiency due to a C1, C4, or C2 component complement deficiency
  • Immunodeficiency due to an early component of complement deficiency
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Your Questions Answered


1 question(s) from the public on this disease have been answered. Submit a new question.
  • Hello, My daughter was diagnosed with lupus two years ago when she broke out in a malar rash on her face. Other than her skin, she has no organ damage. She was recently found to have a C2 deficiency which explains a lot. She has recurrent infections, but not serious ones, and is sick very often. Her rheumatologist decided not to start her on Plaquenil (hydroxychloroquine). My question is - is there anything I can do to keep her lupus or other autoimmune disease from progressing? Are there any advances being made in complement deficiencies? I know I am so lucky, she is doing well, but she is so little I just want to make sure I am doing everything I can to keep her healthy. Click here for answer

Other Names for this Disease
  • Immunodeficiency due to a C1, C4, or C2 component complement deficiency
  • Immunodeficiency due to an early component of complement 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.