A member asked:

What is the cause of lupus erythematosus?

A doctor has provided 1 answer

Autoimmune: Systemic lupus erythematosus is an auto immune illness. This means people have a immume response against themselves and their own tissues. The hallmark blood test is a positive anti-nuclear antibody or an ana. Depending on what tissue is involved results in the clinical symptoms such as rash, arthritis, kidney disease etc. The cause seems be a combination of genetic and environmental exposures.

Answered 1/23/2014

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