Henoch-Schonlein purpura (HSP)
What causes Henoch-Schonlein purpura?
Most children with HSP recover completely.
What are the symptoms of Henoch-Schonlein purpura?
- purpura - bleeding into the skin, mucous membranes, internal organs and other tissues
- arthralgia - pain in the joints
- inflammation of the joints
- abdominal pain
- gastrointestinal bleeding - bleeding in the gastrointestinal tract, which includes the mouth, esophagus, stomach and intestines
- nephritis - inflammation of the kidneys
- subcutaneous edema - Swelling just below the skin
- encephalopathy - dysfunction of the brain
- orchitis - inflammation of the testicle(s)
Renal (kidney) involvement is common, occurring in 30 to 70 percent of children with HSP.