Allergic Purpura
Einstein Health Glossary
ICD 10 - D690
What is allergic purpura?
Allergic purpura is a type of vasculitis, which refers to diseases that cause inflammation of blood vessels. It is also known as Henoch-Schönlein purpura or rheumatic purpura. It mainly affects the skin, intestines, and kidneys. Its cause is unknown, and it is more common in children and adolescents.
Symptoms
The main symptoms of Henoch-Schönlein purpura include red or purplish spots on the legs, joint swelling and pain, abdominal pain, nausea, and blood in the urine. In rare cases, it can impair kidney and intestinal function.
Causes
The cause of Henoch-Schönlein purpura is unknown. Upper respiratory tract infections often occur before the disease manifests.
Diagnosis
Henoch-Schönlein purpura is diagnosed through medical evaluation. Diagnosis is based on the presence of two or more of the main symptoms. In uncertain cases, a biopsy of an affected organ may be necessary.
Prevention
There is no known way to prevent Henoch-Schönlein purpura. It is uncommon in the general population.
Treatment
In most cases, Henoch-Schönlein purpura resolves spontaneously. Anti-inflammatory drugs or corticosteroids may be needed to manage symptoms. Some patients may require hospitalization. A doctor should be consulted.
Duration
In most cases, symptoms of Henoch-Schönlein purpura develop over the course of a week. The total duration of the condition ranges from three to twelve weeks.
Contagious?
Henoch-Schönlein purpura is not contagious.
Can it occur more than once?
Henoch-Schönlein purpura can occur more than once.