What are the main symptoms of Purpura Nephropathy? Purpura of the kidney mainly have extrarenal as well as kidney related symptoms

　　Extrarenal symptoms:

　　1.Gastrointestinal tract symptoms. The most common is abdominal pain with paroxysmal colic, mainly around the navel and hypogastrium, accompanying with nausea, vomiting, hematuresis, and occasionally with hematemesis and hematochezia.

　　2. Joint symptoms. About half patients have multiple arthropathy, most have slight pain, others may have swelling of joint or confined activity. The joints that pain often appear are knee, ankle, and fingers. The symptoms may appear for days, with no dysarthrosis, but will recur in the active period.

　　3. Lymphadenectasis, and hepatosplenomegaly. The rare clinical manifestations are hemoptysis due to pneumorrhagia, hypertension due to nephritis, hyperspasmia, paralysis and stupefaction due to pathological changes od the head.

　　4. Erythra, hemorrhagic and symmetrical distribution are the main characteristics. At first, the erythra is red spots, when pressed they will disappear. They will gradually develop into aubergine hemorrhagic erythra, when touched they will upheaval from the epidermis. The erythra are always symmetrically scattering on the lower limbs, ankle and knee joints. They may also appear in buttocks. When they appear the color may change into yellowish-brown.

　　The symptoms related to the kidney are always swelling and peripheral edema, proteinuria and hematuresis.