Purpuric nephritis

Purpura nephritis refers to kidney damage caused by allergic purpura. The cause can be an allergic reaction caused by infections such as bacteria, viruses and parasites, or allergies to certain drugs, foods, etc., or plant pollen , Insect bites, cold irritation, etc. In addition to skin purpura, joint swelling and pain, abdominal pain, blood in the stool, clinical manifestations are mainly hematuria and proteinuria, which mostly occur within one month after skin purpura, and some or concurrent skin purpura and abdominal pain, some only Symptoms of abnormal urine. If there is too much protein loss, the symptoms of nephrotic syndrome can also appear. If hematuria and proteinuria persist for a long time, it can also be accompanied by renal dysfunction and eventually lead to chronic renal failure. Allergic purpura causes kidney involvement in 20% to 100%, with more men than women.