1. microscopic hematuria with or without no symptom proteinuria
Both of microscopic hematuria and symptom proteinuria can not be found out easily. It can be diagnosed by renal biopsy. They are main symptoms in children and youngsters.
2. gross hematuria
Gross hematuria is a typical symptom of Iga Nephropathy, which look brown like tea water or look reddish with our naked eyes and it takes place 30%-50% of patients. Gross hematuria appears in most of time after pharyngitis and amygdalitis, or appears under influences like overstrain, a cold, vaccination, pneumonia, gastroenteritis, etc. It usually occurs together with inducements, or occurs several hours to 24 hours after the inducements and then remits spontaneously after lasting several hours to one week. (Nephritis usually occurs one week after infection).
3. protein in urine or proteinuria
There will also be a large amount of proteinuria for IgA nephritis, which is caused by the damage of renal glomerular filtration membrane.
4. acute renal failure
IV. Acute Renal Failure can be divided into two types: one is pathological change with vasculitis caused by large quantity of crescent in glomeruli; the other occurs when large quantity of erythrocyte casts blocks the tubules during gross hematuria.
5. high blood pressure or hypertension
