Sjogren's Syndrome Underlying Cause
Sjogren's syndrome usually occurs along with other immune system disorders, such as scleroderma, rheumatoid arthritis, and lupus. These disorders result from an abnormal immune system, which normally fights infection. The immune system mistakenly attacks normal tissue, causing inflammation and breakdown of the tissues. The cause of the abnormal immune system in Sjogren's syndrome is unknown.
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