What is Henoch-Schönlein purpura nephritis?

Mar 30, 2023 Source: Cainiu Health
Disease description:

Recently, I've had significantly reduced urine output and swelling in my body. After a hospital examination, the doctor diagnosed me with Henoch-Schönlein purpura nephritis. I would like to know: what exactly is Henoch-Schönlein purpura nephritis?

Doctor's answer (1)
Dr. Zhao Xinju
Henoch-Schönlein purpura nephritis generally refers to kidney involvement in Henoch-Schönlein purpura. Henoch-Schönlein purpura is a systemic small-vessel vasculitis affecting capillaries and small blood vessels of the skin, joints, gastrointestinal tract, and kidneys. Most patients with Henoch-Schönlein purpura develop renal involvement, leading to Henoch-Schönlein purpura nephritis, which can cause abnormal urinalysis, oliguria, edema, hematuria, elevated blood pressure, proteinuria, and other symptoms.