There are many causes of hematuria in children, which are usually caused by urinary tract diseases or systemic diseases in the urinary tract:
The urinary tract disease with acute nephritis, pyelonephritis, renal tuberculosis, kidney stones, renal vascular malformation, congenital polycystic kidney, embryonic tumor of kidney, renal injury, and drugs on renal damage such as kanamycin, gentamicin, sulfa drug induced hematuria.
Systemic disease include hemophilia, leukemia, aplastic anemia, neonatal spontaneous haemorrhagic disease, heart failure, endocarditis, rheumatic nephritis, allergic purpura, and strenuous exercise caused by transient hematuria.
Hematuria in children often has some characteristic manifestations:
According to the age of onset, the age of the children is different and the causes of hematuria are different. Such as neonatal hematuria, can be seen in the neonatal natural bleeding, severe hypoxia and asphyxia. Infantile hematuria is found in congenital urinary tract malformations, polycystic kidney disease, hydronephrosis, and is also common in urinary tract infections. The most common hematuria in preschool and school-age children is acute glomerulonephritis, followed by chronic glomerulonephritis, Henoch Schonlein purpura nephritis, urinary tract infection, etc..
From the characteristics of hematuria:
The color of hematuria. Bright red, mostly for the lower urinary tract bleeding, dark red mostly for the upper urinary tract bleeding.
Shape of a clot. A larger flattened blood clot in the urine, suggesting hematuria from the bladder, long thin strips of blood coming from the ureter and triangular blood clots coming from the kidneys. Urethral drop blood, blood drops from urethral orifice, hint urethral injury.
From the urination, urine flow line prompt urinary tract obstruction, when urination is accompanied by frequent urination, dysuria, urgency and other symptoms, suggesting that urinary tract infection or bladder stones.
In addition, you should also ask if you have any food or medicine that can cause hematuria, or whether you have a cold, tonsillitis, etc before or after hematuria.
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