Apart from minimizing a child's exposure to strep throat and similar upper respiratory infections, there is nothing that parents can do to prevent vasculitis in children, in that the cause(s) of these disorders are still unknown.
Most vasculitides are relatively rare disorders; one source estimates that about 100,000 persons (including adults as well as children and adolescents) are hospitalized each year in the United States for treatment of vasculitis.
Allergic purpura (AP), a form of vasculitis (inflammation of the blood vessels), is a disease characterized by inflammation of the small arterial vessels (capillaries) in the skin, kidneys, and intestinal tract.
With systemic autoimmune diseases or vasculitis, the mother's blood circulation can be impaired and thus the ability to supply oxygen and nutrients to the baby through the placenta is affected.
Henoch-Schönlein purpura-A syndrome sometimes classified as a hypersensitivity vasculitis, associated with a variety of digestive symptoms, pain in the joints, and kidney involvement.