This inflammation, called vasculitis, usually happens in the skin, intestines, and kidneys. Inflamed blood vessels in the skin can leak blood cells, causing a rash called purpura. Vessels in the intestines and kidneys also can swell and leak.
Considering this, can HSP cause death?
The rash is present in all cases of HSP. Other accompanying symptoms can include abdominal pain, nausea and vomiting, arthritis, and blood in the urine. Kidney damage is the most common and most serious long-term complication. Although death from HSP is rare, kidney disease is the leading cause.
How common is HSP disease?
HSP is the most common acute vasculitis affecting children, with an incidence of approximately 10 cases per 100,000 children per year. Although the syndrome is usually seen in children, people of any age may be affected. It is more common in boys than in girls.
How long does it take for HSP to go away?
The illness lasts 4 to 6 weeks in most patients. The rash (purpura) changes from red to purple, becomes rust-coloured and then fades completely. About one-third of those with HSP can get it again, usually within 4 months of the initial illness.