Four typical symptoms of IgA nephropathy

IgA nephropathy is a group with multiple etiologies caused chronic glomerular diseasewith the same immune pathological characteristics. Its main symptoms are mainly thefollowing four:
First, the onset of gross hematuria: more common in children. Its gross hematuria more in the upper respiratory tract infection (tonsillitis, etc.), while some seizures in acutegastroenteritis or urinary tract infection, the time interval of more than 24 to 72 hours.Sustainable gross hematuria a few hours to several days, and then converted topersistent microscopic hematuria, some patients with hematuria to disappear, but oftenattack, attack, reproduce gross hematuria may be associated with mild systemic symptoms such as muscle pain, dysuria, pain in the back, or a transient blood pressure and elevated blood urea nitrogen.
Second, microscopic hematuria and asymptomatic proteinuria: This is the main clinical manifestations of IgA nephropathy in children and adolescents, often in the physical examination was found, can be expressed as a simple microscopic hematuria ormicroscopic hematuria accompanied by a small amount of proteinuria.
And proteinuria: mild proteinuria, urinary protein quantitative <1g/24h a small number ofpatients with massive proteinuria or nephrotic syndrome.
Other: some patients with IgA nephropathy with nephrotic syndrome and rapidly progressive nephritic syndrome, renal failure, a few may lumbar and / or severe abdominal pain with hematuria.