We do not know that there is any increased risk for vasculitis in your children. Increased risk for family members would suggest that there is either an inherited factor that is responsible for developing vasculitis, or that there is a common exposure that causes disease. To date, there is nothing to suggest that either of these factors causes vasculitis. Testing to try to identify vasculitis in anyone, whether a family member of a patient or not, should be driven by specific symptoms or medical problems.
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