Blood in urine in children: possible causes, symptoms, diagnosis and features


2018-04-08 19:00:45




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Blood found in the urine of children – is a serious reason to go to the hospital on the advice of doctors specializing in Pediatrics and urology. As a rule, parents are immediately sent to medical institutions for help. Any deviation from the norm in the child – the risk of any disease, can be serious.

Let's Talk about the main reasons for the occurrence of this phenomenon in children of different age categories. Separately the newborn baby, babies and grown-up. The article needs to start with the rules of blood and urine tests in children. Starting from these indicators, doctors can diagnose a variety of health problems.

Standards when tests

blood in urine in children

What should show in a normal urinalysis and blood in children? Let's start with the fact that the interpretation of analysis should be done only by an experienced specialist. OAM primarily helps to diagnose problems with the kidneys and urinary tract. The color should be from light yellow to Golden straw, no impurities in the norm should not be present (urine clear). The following are the rules indicators OAM (urinalysis).

The Index


Specific gravity


Up To 2 years – to 1015;

Up To 3 years – 1016;

Older – to 1025.


From 4.5 to 8.


Norma girls – to 6;

The Norm of the boys – to 3.

Red blood cells

Newborn – to 7;

Older – to 3.

Epithelial cells


The Mucus and protein

Absent or in small numbers. Protein of 0.03 g/L.



Ketone bodies, cylinders, bilirubin, bacteria


Impurities in the blood in norm should not be. Further, the table of rules of the KLA.



Red blood cells

The 2.7–6,6

Color index







Of 0.5–17













Note that to accurately decipher the analysis can only be experienced specialist, having a medical degree. Table rules blood, which is given above, has no differences in age (the norm for a newborn child by some measure may differ significantly from the norm of the same indicator for a child at the age of three). So the results in each case.


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Blood in the urine. Causes

This condition is called hematuria. How can you notice blood in the urine? Reddish hue, the appearance of streaks in the diaper bunches in a pot. What does blood in the urine in a child? This phenomenon has many reasons, and note that children of different age groups are different. For the health of the baby needs to be monitored very carefully.

So, the main causes of hematuria:

  • Diseases of the urinary tract;
  • Infectious disease of the excretory system;
  • Renal failure;
  • Salt and kidney stones;
  • Injury to urinary tract;
  • Problems associated with blood clotting;
  • Viral infection;
  • Neoplastic processes, and so on.

In addition, adolescents have blood in the urine can be caused serious physical exertion, especially if the child plays sports and wants to achieve high results.

Newborn baby

the urine and blood of children

Blood in urine from children who are just born, you may see the following cases:

  • Birth injuries;
  • Kidney disease;
  • Urinary tract infection.

Often young parents raise a panic for nothing. The first days of baby's life is very hard for him. During this period, can happen mochekisly heart attack. Do not be afraid, is getting blood in the urine due to the large concentration of urate. To consult a doctor in this case is still worth it, because the cause of hematuria may be quite different. Then the baby needs examination and proper treatment that can be prescribed only by an experienced specialist.


blood traces in the urine of the child

Blood in the urine of infants found in a diaper, – it's a real shock to all parents. However, parents shouldn't worry because the red color of the urine is not always aboutthe presence of some terrible disease. Here are some reasons for this phenomenon:

  • Hormonal plan in girls;
  • Constipation;
  • Dermatitis;
  • Cracked nipples in the mother (assuming that she feeds the baby's chest);
  • Allergies;
  • Deficiency of lactose;
  • Infection;
  • Volvulus;
  • Eating foods with a red pigment.

Please note that the vessels of the baby is very fragile, damage can bring almost any disorders with health. The cause may be even high temperature or fatigue. Causes of hematuria in infants:

  • Cystitis, urethritis (which are the result of improper hygiene and development in the urinary tract infection);
  • Pathology
  • Glomerulonephritis;
  • Hemorrhagic diathesis.

Grown children

blood in the urine of the child what do you mean

Traces of blood in the urine from the older child often say that there are problems with the kidneys and bladder. Bleeding in the urine – this is a very frequent manifestation of cystitis. Another reason of this phenomenon – kidney stones as they can damage the mucosa, leading to bleeding.

Please note that any other symptoms may not be present, the child may look healthy and energetic. If the blood was the result of cystitis, it is possible to mention some symptoms:

  • Heat;
  • Burning;
  • Pain in the abdomen.

With pyelonephritis may have the following symptoms:

  • Heat;
  • Fever;
  • Pain in back (lower part).

Other problems with the kidneys have symptoms:

  • Weakness;
  • High blood pressure;
  • Bags under the eyes;
  • Swelling;
  • Heat;
  • Pain in the abdominal region (with kidney stones).


reaction to blood in the urine in the child

The Reason for the change in color of urine – a large number of red blood cells. If the urine has red color, then we are dealing with gross hematuria. It is easy to diagnose parents. However, there is microhematuria, which can only be detected by the urine test. If there is the slightest suspicion on the contents of blood in the urine, it is necessary to pass a number of tests. If the response to blood in the urine, the child has a positive, it is necessary to conduct a series of tests: ultrasound, imaging, cytoscopy, x-ray. How to determine what is the problem? Observe if the blood appears immediately when urinating, the reason lies in the urethra, if after, then in the bladder. OAM can confirm kidney disease, if detected for a protein.

How to proceed?

standards of blood and urine tests in children

If you find blood in the urine your child, try not to panic. As mentioned earlier, this kind of coloration of the urine can give products containing red pigment. Remember, you may give her baby the day before beets, carrots or blueberries. It is very important to ensure that the red color gives it blood. If you gave the child a new medicine, then it can also cause reddish urine. In these cases, you need to give more clean water. If the reason, the urine will soon become a natural shade.

In cases when the connection with the products or medicines are not identified, you should go to the doctor. For starters, you will need to pass the KLA and OAM. This will help to know the cause of this phenomenon.

The Conditions under which the blood in the urine – this is the norm

There are some cases when blood in urine in children – this is normal. These include the inserted catheter in the urethra. The blood in this case may be present and several days after its removal. After the procedure, cystoscopy or fragmentation (removal) of kidney stones in this day and a few after can appear spotting. If the child before the urine test was a serious exercise, this may also cause presence of blood.

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