A high specific gravity of urine is characteristic of. Reasons for deviation of the specific gravity of urine from the norm in women. Normal indicators for a child under one year old


Specific gravity (the second name is relative density) of urine is an indicator that characterizes the functioning of the kidneys and makes it possible to assess how well they cope with the function of filtering and removing unnecessary compounds from the body. By studying the density of a biological fluid, a laboratory technician determines what content it contains:

  • Creatinine.
  • Urea.
  • Uric acid.
  • sodium and potassium salts.

It is by the values ​​of these parameters that the above criterion is calculated.

Specific gravity of urine: normal values ​​for men, women and children

Determination of urine density is carried out in a laboratory using a special device - urometer. In order for the data obtained to correspond to reality, the patient must correctly collect the material for the study (do not drink alcohol the day before, plenty of fluids).

Minor fluctuations in the parameter during the day are a normal physiological reaction. This is explained by changes that occur during eating, drinking water, performing heavy physical work, resting, increased sweating, etc. Under different conditions, the kidneys of a healthy person secrete urine, the density of which is normally equal to from 1.010 to 1.028.

In men and women who do not have diseases of the urinary system, with moderate physical activity, the specific gravity of morning urine is most often from 1.015 to 1.020. As for children, this figure may be slightly lower.

For children, the normal option is from 1.003 to 1.025. In the first week of life, the specific gravity of the child’s urine should be within up to 1.018, starting from the second week and until the end of the second year - from 1.002 to 1.004.

Later, the indicator begins to increase and, with normal kidney function, is already from 1.010 to 1.017. In children 4-5 years of age, the density is equal to 1,012-1,020 . For children over 10 years old, it should be in the range from 1.011 to 1.025.

Causes of a decrease in the specific gravity of urine

If the density of the biological fluid is below normal, they talk about hyposthenuria. This does not necessarily mean that the person is sick. Doctors know of cases where such a deviation was a consequence of the patient consuming an excessive amount of liquid shortly before taking a laboratory test.

The use of any diuretic drugs also leads to hyposthenuria. The doctor must be warned about this factor in advance so that the data obtained are not misinterpreted.

What diseases cause decreased specific gravity of urine?

If we talk about the pathological causes of hyposthenuria, they are as follows:

  • Diabetes.
  • Polydipsia (usually observed in people with mental instability)
  • Neurogenic and nephrogenic diabetes insipidus.
  • Inflammation of the renal tubules.
  • The presence in the body of unresolved infiltrates.
  • Untreated or complicated pyelonephritis.
  • Chronic renal failure.
  • Following an overly strict diet, lack of vitamins, trace elements and minerals in the diet.
  • The presence of nodular formations on the renal tissues.
  • Hormonal imbalance (typical for women of childbearing age, as well as during menopause).

Many patients with a significant decrease in the described indicator complain of:

  • The appearance of edema on different parts of the body, limbs.
  • Pain in the lower abdomen or lower back.
  • Decrease / increase in the volume of urine separated.

All these symptoms indicate problems with the kidneys, so if they appear, you should consult a qualified doctor as soon as possible and undergo an examination.

What to do with a low specific gravity of urine

If the specific gravity of urine is much lower than normal, first of all, it is necessary retake laboratory tests. It is imperative to take a responsible approach to the repeated collection of biological fluid; on the eve of diagnosis, do not drink too much fluid. If other indicators are normal, then most likely the person does not have any kidney disease.

If, in addition to low density, other deviations in laboratory tests are observed, a comprehensive examination is mandatory. What it will include must be decided by the therapist or urologist. Typically, patients are given directions to undergo a Zimnitsky test, which allows one to determine differences in urine density at different times of the day.

Specific gravity of urine during pregnancy

It is considered normal if the relative density of urine in the expectant mother is from 1.010 to 1.029. Reducing the parameter is provided by:

  • Excessive fluid intake.
  • Edema.
  • Hormonal surges.
  • Kidney pathologies (nephropathy)
  • Toxicosis.
  • Frequent urination.

If the criterion, on the contrary, is elevated in a pregnant woman, the gynecologist may assume the presence of:

  • Diabetes mellitus.
  • Fluid deficiency, dehydration.
  • Kidney inflammation.
  • Severe toxicosis/gestosis.

The expectant mother should not worry if the test results are unsatisfactory. The analysis needs to be retaken soon. Only if re-diagnosis confirms the concerns that have arisen will the measures necessary to determine the cause of the condition be taken.

The specific gravity of urine is increased - causes and what to do

An increase in the specific gravity of urine is medically called hypersthenuria. Typically, this problem develops against the background of a decrease in the amount of separated biological fluid. It can be provoked by:

  • Severe vomiting, nausea.
  • Inadequate fluid intake, dehydration.
  • Injection of a radiopaque contrast agent into the patient’s body on the eve of a laboratory test.
  • Proteinuria (presence of protein) in nephrotic syndrome.
  • Diabetes.
  • Taking large doses of antibiotics.
  • Inflammation of the organs of the genitourinary system.
  • Toxicosis during pregnancy.

Hyperstenuria is characterized by symptoms such as:

  1. Discomfort in the abdomen.
  2. Lower back pain.
  3. The formation of edema for unknown reasons.
  4. A sharp decrease in single portions of urine excreted.
  5. Weakness, increased fatigue.

With hypersthenuria, as with hyposthenuria, the patient should undergo a Zimnitsky test to understand whether there are abnormalities in the functioning of the kidneys and to get a complete picture of their functioning.

During a general urine test, doctors evaluate the excreted fluid using many indicators. Only an integrated approach helps to determine whether there are disturbances in the functioning of the urinary tract, whether an inflammatory process is developing, and whether urine formation is in order.

An important element of diagnosis is the density of urine. The norm and deviations allow you to figure out whether the kidneys are working correctly, whether there are disorders in the body in which natural filters have to use additional compensatory mechanisms. Useful information will be useful to people of different genders and ages to maintain urinary tract health.

What does urine density mean?

The second name of an important indicator is the specific gravity of urine. The relative density of urine shows the concentration of substances dissolved in the liquid.

The higher the percentage of salts, nitrogenous substances, sugar, protein, bilirubin, and certain types of cells (bacteria, white and red blood cells), the greater the density of the excreted fluid. As the indicator decreases, the density correspondingly decreases.

The specific gravity of urine is measured in g/liter. For adults there are normative indicators. The density of urine in children is also displayed in a separate table in the “Indicators” section.

Why is it measured?

Determining the specific gravity of urine is a quick, easy way to find out how the kidneys cope with filtering and eliminating harmful substances. If the functioning is disrupted, the ratio between water (normally 97%) and components that need to be disposed of to prevent intoxication is disrupted.

The following are excreted from the body in urine:

  • hippuric and uric acids;
  • chlorides;
  • sulfates;
  • phosphates;
  • toxins;
  • remnants of medicines.

The urologist prescribes an additional urine test according to Zimnitsky if the development of certain pathologies is suspected:

  • decrease or increase in blood sodium levels;
  • abnormalities in the functioning of the heart muscle, pronounced swelling, problems with blood vessels;
  • infectious kidney diseases;
  • states of shock;
  • over or under hydration;
  • development of diabetes insipidus with damage to the hypothalamus or pituitary gland.

On a note! Many patients ask why a general urine test is not enough to determine density. Doctors warn: the density of urine can change during the day depending on the types of food, volume of liquid, medication, and other factors. For this reason, collecting urine in eight (or more) jars throughout the day reflects the real picture of the specific gravity of the excreted liquid.

Indicators: norm and deviations

In adults, the density of urine varies depending on the action of various factors, but the values ​​​​should not go beyond certain limits. A noticeable deviation confirms the development of pathological processes.

The norm is from 1003 to 1035 g/l, fluctuations up or down require a repeat urine test according to Zimnitsky to find out the exact picture of the concentration of substances in urine. The same indicators are used to assess kidney function in adolescents.

Causes of increased specific gravity of urine

Increased density of urine, a higher concentration of salts, breakdown products, and certain cells is observed in the following cases:

  • violation of the drinking regime: less than normal fluid consumption per day;
  • diabetes;
  • high dosage of drugs, the active components of which are excreted in urine: antibiotics;
  • toxicosis during pregnancy;
  • dehydration with diarrhea, frequent vomiting, active sweating.

Probable reasons for low performance

Diseases and provoking factors:

  • drinking plenty of water, especially over a long period;
  • diabetes insipidus;
  • reception of certain types;

Treatment of diseases

Correction of the relative density of urine is possible when the cause behind which the deviations appeared is eliminated. It is important to know what diseases or factors led to a decrease or increase in the concentration of solutes and cells in urine.

During diagnosis, the urologist finds out provoking factors, identifies underlying pathologies, and develops a treatment regimen. An individual approach to the patient is required, taking into account the degree of deviation from the norm.

Sometimes simple measures are enough to make the performance optimal again:

  • change in drinking regime;
  • replenishment of fluid loss in the heat, during active sports;
  • avoiding excess consumption of medications;
  • normalization of the digestive tract to prevent disorders that cause dehydration.

Learn about common symptoms and treatments in adults and children.

Effective methods of treating acute kidney pyelonephritis are described on the page.

Go to the address and read about how to properly prepare chamomile infusion and how to use it to treat kidney and bladder diseases.

When diseases are detected, medications are prescribed depending on the form and type of pathology:

  • in case of inflammatory processes in the bladder, kidneys, antibiotics of certain groups are required, compounds that improve the outflow of fluid;
  • in case of renal failure, a set of measures is needed, including hemosorption and purification of the blood from toxins using special devices;
  • for diabetes mellitus and diabetes insipidus, the help of an endocrinologist is required, taking certain medications to correct insulin levels and normalize the functioning of organs suffering due to chronic pathology;
  • Herbal diuretics (drugs with a diuretic effect) are indicated for problems with urine excretion. The best option is compositions without irritating synthetic substances: , ;
  • vitamins, restorative compounds to increase resistance to infections. All vitamin-mineral complexes and dietary supplements are selected by a urologist: It is important to know not only the density of urine, but also other indicators of urine analysis in order to find the optimal remedy.

Important! It is prohibited to uncontrollably take diuretic medications, even those based on natural ingredients, to thin urine and accelerate fluid outflow. Incorrect selection of diuretics often causes heart problems, a sharp decrease in blood pressure or hypertensive crisis, impaired renal function, and deviations in water and electrolyte balance. Loop, thiazide, osmotic, potassium-sparing diuretics require careful handling and precise dosage.

Urine density in children

The specific gravity of urine depends on age. The table contains data for children from the neonatal period to 12 years.

If abnormalities are detected, parents should show the child to a urologist, conduct an additional examination, and be sure to collect the child to clarify the indicators. It is important to know: if a nursing mother eats a lot of fatty foods, meat, and offal, then the specific gravity of urine will often be higher than it should be; if a large amount of fruits and vegetables is included in the diet, the density of urine will be lower.

The specific gravity of urine in children and adults is an important element in the diagnosis of diseases of the urinary system. If there is a noticeable deviation from the norm, it is necessary to continue the examination, be sure to take a urine test using the Zimnitsky method, analyze the diet, drinking regimen, and the names of the medications the patient is taking. After clarifying the diagnosis, you should not delay the start of treatment: often advanced forms of pathologies develop into chronic renal failure, complications develop, and regular hemodialysis is required.

At the first signs of a change in the color of urine, you should contact a specialist, since the color of urine is one of the main signs of abnormalities in the functioning of the kidneys. From the following video you can learn about the norms of various urine tests, including urine density, the causes of changes and the treatment of pathologies:

The relative density of urine is an important diagnostic indicator, according to which the pathological conditions of the patient are determined. Depending on the disease and the stage of its progression, urine can have completely different relative densities, including reduced ones.

The relative density of urine is below normal - what might it indicate?

This test is carried out to determine the current functioning of the kidneys. These include Zimnitsky and Nechiporenko samples. The latter belong to the category of the most detailed laboratory studies, the results of which take into account the concentration of urea and salts. If these substances are contained in quantities that differ from the norm to a lesser extent, then the patient clearly has a reduced density of urine - hyposthenuria.

Since the specific density of urine is an integral part of the functional indicators of kidney function, it can be diagnosed if there is a suspicion of:

  1. Kidney pathologies.
  2. Inflammatory processes in other structures of the genitourinary system.
  3. Somatic disorders.

Normal density values ​​in accordance with the mechanisms of urine formation

There are several stages of urine formation, after which the material necessary for analysis is formed.

At the first stage, the formation of urine of the primary composition occurs in the renal glomeruli. In this case, the blood, under the influence of internal renal pressure, is cleansed of toxins and other elements formed as a result of the past cycle.

In the second stage, the products separated from the blood go through the stages reabsorption through jade channels. Any useful substances that could be separated under pressure are returned to the body. The output is urine, which contains extremely harmful substances such as chlorine, sodium, various sulfates, and so on.

It is this obtained material that is used for analysis using a urometer.

Based on the results obtained, namely fixing the content of salts and urea, the value is determined. The latter cannot be called constant, since throughout the day, in the same biological material, the density can change several times. This depends on food, drinks, as well as banal fat loss through sweating.

Indicators are within normal limits according to the principle of age division

  • baby, 1 day old - 1,008-1,018 (density according to urometer data);
  • 6 months - 1,002-1,004 .
  • from six months to 12 months – 1,006-1,016 .
  • age from 1 to 5 years – 1,010-1,020 .
  • from 6 to 8 years – 1,012-1,020 .
  • from 9 to 12 – 1,012-1,025 .
  • adult men and women - 1,010-1,025 .

It is worth noting that upon reaching the age of twelve, the density of the analyzed urine is completely comparable to that for the biological material of an adult.

Causes of decreased urine density

The study can show the presence of hyposthenuria only if the density is reduced to 1,005-1,010 . In this case, such indicators indicate a decrease in renal function, an integral part of which is antiarrhythmic hormones. If the amount of the latter increases, the fastest possible absorption of water in the body is provoked, resulting in a decrease in the concentration of urine.

Thus, the action works completely in the opposite direction, that is, in the absence or decrease in the amount of the mentioned hormones, urine concentrates too much, due to an increase in the amount of water. Given such a sharp increase in the amount of liquid being analyzed, its specific density decreases accordingly.

This is one of the most common reasons for the decline in the mentioned indicator, but, in fact, there are much more of them.

Decreased urine density in pregnant women

It is worth immediately noting that the normal indicator for a pregnant woman is 1.010-1.020. The causes of hyposthenuria during pregnancy may be:

  • Any renal pathology.
  • Hormonal imbalance.
  • Urinating too frequently.
  • Common toxicosis.

Urine density in newborns and children

At the time of birth, the indicator may radically deviate from the established norm. After some time, this indicator returns to normal. If a one-year-old child is diagnosed with hyposthenuria, then until the age of two there is absolutely no need to worry.

Otherwise, you should contact a specialist and undergo an examination.

Decreased urine density in adults

In the adult population, there are many more pathological reasons for the formation and progression of decreased urine density. These include:

  1. Kidney failure, which has developed into a chronic disease.
  2. Central diabetes.
  3. Pyelonephritis.
  4. Chronic nephritis.
  5. The consequence of any inflammatory processes in the body due to the resorption of inflamed areas.
  6. Nephrosclerosis.
  7. Jade in intense form.
  8. Dystrophy caused by starvation.
  9. Glomerulonephritis.
  10. Exposure to antibiotics or diuretics.

It is worth paying attention to the fact that a decrease in the specific density of urine can be caused by alcoholism or drug use.

What to do based on the diagnostic results?

If a decrease in the specific gravity of urine is caused by a natural factor, such as the consumption of a certain type of food and liquid, then there is no need to worry, but, on the contrary, exclude certain types of foods from the diet.

If the cause is one of the previously mentioned diseases, then you must immediately contact a specialist for advice and additional examinations. Through the latter, special medications are prescribed, during which a decrease in urine density can also be diagnosed.

The relative density of urine, otherwise called specific gravity, shows the degree of concentration of salts and urea in the total volume of excreted urine. It should be noted that these indicators should not go beyond the normal limits. Otherwise, one may suspect the development of pathology of the urinary system

What specific gravity of urine is normal for women, men and children? What to do if the indicators are exceeded or decreased? You will learn about this and much more in our article.

Determination of specific gravity of urine

The specific gravity (SG) of urine is determined in a laboratory setting. To carry out the analysis, it is necessary to collect urine and deliver it to the laboratory with a direction indicating the type of research.

The relative density of a given biological fluid is determined using special equipment - a hydrometer or urometer.

Algorithm for determining the indicator using a urometer:

In some diseases, the patient produces small amounts of urine and it is not enough to conduct research using the above algorithm. In this case, the urine is diluted with distilled water. After determining the result, the laboratory technician takes into account the degree of dilution.

In case of insufficient quantityanalysisurine for examination is carried out as follows:

  • A mixture of chloroform and benzene is poured into a glass cylinder;
  • Then add a small amount of urine (a few drops);
  • Chloroform or benzene is gradually added in a small amount. This is necessary so that the biological material under study is in the middle of the mixture of liquids;
  • After which the laboratory assistant calculates the final value.

It should be noted that the urometer values ​​are influenced by the ambient temperature.

All devices are calibrated for a temperature of 15 degrees. Therefore, when the temperature increases, the laboratory technician adds the calculated values ​​to the results obtained, and when the temperature decreases, on the contrary, subtracts them.

Normal indicator values

It should be noted that the rate of relative density of urine depends on the age of the patient. However, age is not the only factor influencing this indicator. The specific gravity varies throughout the day. For the same person, the values ​​of morning and evening urine are slightly different.

Factors influencing fluctuations of biomaterial during the day:

  • Amount of fluid consumed during the day;
  • Ambient temperature;
  • The presence of certain foods in the diet (salty, spicy, fried);
  • The time of day at which urine was collected for examination.

Table of specific gravity norms depending on the patient’s age:

The specific weight of women during pregnancy differs from that of adults, which is associated with the peculiarities of biological reactions in her body (changes in hormonal levels, toxicosis, and others).

Increased specific gravity (up to 1.033 grams/liter) is recorded in the first trimester of pregnancy in the presence of severe toxicosis.

Regardless of all of the above, the relative density of urine should not exceed the normal limits for a particular age group. Deviations from the norm may be a sign of a pathological process in the human body.

Deviation above normal

An increase in the specific gravity of urine above normal is hypersthenuria. In this case, a large concentration of inclusions (salts, sugar, protein compounds) is detected in the biological fluid.

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Reasons for deviations of indicators above the norm:

  • Drinking small amounts of liquid;
  • Dehydration associated with profuse vomiting and repeated diarrhea;
  • Long-term use of antibacterial drugs in large doses;
  • The use of diuretics and herbal preparations;
  • Pathology of the urinary organs, including congenital;
  • Diseases of the endocrine system (diabetes mellitus);
  • Toxicosis and gestosis (late toxicosis) of pregnant women;
  • Extensive thermal burns;
  • Cardiovascular failure, which is accompanied by severe swelling;
  • In infants, hypersthenuria may be associated with the nutritional habits of a nursing woman (large amounts of fats and animal proteins in the diet).

To eliminate hypersthenuria, it is necessary to identify the cause, because treatment must be etiological.

What to do if the specific gravity of urine deviates above normal:

  • If the drinking regime is violated, it is necessary to increase the intake of liquid, mainly clean water. To calculate the body's daily fluid requirement, it is necessary to multiply 30 by the patient's weight. The result obtained is the required volume of liquid;
  • In case of toxicosis and gestosis in pregnant women, it is necessary to consult an obstetrician-gynecologist, establish a diet, control drinking regime, sleep and rest. If necessary, the doctor will prescribe enzymatic and other drugs;
  • If the body is dehydrated, it is necessary to eliminate its cause (treatment of the underlying disease).
  • If there is an intestinal infection, antibacterial drugs are prescribed, detoxification therapy and vitamin-mineral complexes;
  • In the presence of inflammatory and infectious processes in the urinary organs, anti-inflammatory, antibacterial and restorative treatment is carried out;
  • Cancellation or adjustment of the dose of antibiotics and diuretics;
  • Treatment of cardiovascular and endocrine pathologies under the supervision of a therapist, cardiologist, endocrinologist.

What to do if the specific gravity is low

A decrease in the relative density of urine below normal is hyposthenuria. In infants under 12 months, this condition is a variant of the norm, provided there are no pathologies in the internal organs.

The causes of hyposthenuria are the following conditions:

  • Drink plenty of fluids during the day, that is, drink large quantities of liquid;
  • Eating disorder. Unbalanced diet with complete exclusion or significant reduction of protein in the diet. Prolonged fasting and strict diets for weight loss;
  • Chronic renal failure;
  • Inflammatory kidney diseases(nephritis, pyelonephritis, glamerulonephritis) acute and chronic;
  • Dysfunction of the pituitary gland and/or hypothalamus;
  • Diabetes insipidus: nephrogenic, neurogenic, nervous origin, in pregnant women;
  • Taking diuretics, which causes polyuria;
  • Pathology of the central nervous system of inflammatory nature (meningitis, encephalitis);
  • Cysts and other benign kidney tumors.

What to do if the specific gravity of urine deviates below normal:

  • Identifying the cause of hyposthenuria;
  • If the drinking regime is violated, the amount of liquid consumed should be adjusted. In this case, you should slightly reduce the amount of water and other drinks you drink;
  • Nutrition correction. It is necessary to establish a nutritious and varied diet. The diet should contain foods that include proteins, fats and carbohydrates. Starvation diets should be avoided;
  • Anti-inflammatory and antibacterial therapy in the presence of pathology of the urinary system;
  • Etiological treatment of the underlying disease under the supervision of the attending physician;
  • General strengthening therapy (vitamins, minerals).

Functional tests

In addition to determining the relative density of a given biological fluid, a number of laboratory studies are also carried out. They help identify the functional abilities of the kidneys. These laboratory tests are called functional tests, they allow you to identify:

  • Concentrating ability of the kidneys;
  • Excretory capacity of the kidneys.

In the table below you can see what the purpose of a specific test is and its brief description:

Functional test Purpose of the sample Brief description of the sample
Zemnitsky test · Assessment of concentration function;

· Assessment of excretory abilities;

Assessment of the ratio of night and daytime diuresis

Urine is collected throughout the day. To collect the material, 8 jars are prepared. Each container is designed for a period of 3 hours (each jar is labeled by time).
Dilution test · Assessment of indicator with water load;

Estimation of the amount of urine excreted after water loading

The patient must remain in bed. After a night's sleep, the bladder empties completely. Water loading is carried out (the patient drinks liquid at the rate of 20 milliliters per 1 kilogram of body weight). Urine is collected 4 times at intervals of 60 minutes. In the interval between material collection, a water load is carried out.
Concentration test · Estimation of the amount of urine excreted;

Assessment of the concentrating ability of the kidneys

During the day, the patient must refuse liquid food and any liquid (drinking small sips in case of severe thirst is allowed, no more than 350 - 400 milliliters in 24 hours). Urine is collected every 4 hours.

Laboratory testing of urine is an integral component of modern diagnostics. One of the types of such tests is urine analysis for its specific gravity. A deviation of this parameter from the norm may indicate the causes of a particular disease, which is extremely important in diagnosis.

What does the specific gravity of urine indicate?

The relative specific density of urine shows the saturation of the substances suspended in it:

  • Urea;
  • Uric acid;
  • Creatinine;
  • Potassium, sodium in the form of their salts.

The relative specific gravity of urine is directly related to the amount excreted at one time and the frequency of emptying the bladder. Urine excreted frequently and in large portions has a low density, and vice versa, small portions show a high concentration. The relative specific concentration of urine is a reliable indicator of kidney health, or rather, their ability to concentrate. For example, the reasons for the decrease in the relative density of urine may lie in diseases that cause kidney failure, accompanied by a decrease in their filtering and absorption properties. This condition is called hyposthenuria. If the concentration of urine is increased, they speak of hypersthenuria.

Normal urine density

The norms depend on the gender and age category of the patient. For newborn children, the normal density is 1008 - 1018 grams per liter of liquid, for children two and three years old 1007 - 1017, children four and twelve years old are considered healthy at 1012 - 1020 grams per liter.

For mature people and adolescents 13 years of age or older, the normal specific gravity of urine varies between 1010 and 1020 g/liter.

Deviations from these norms give reason to undergo, at a minimum, a consultative examination by an endocrinologist and nephrologist to determine the cause.

Specific gravity is higher than normal

Hypersthenuria, as this phenomenon is called, is expressed by a significant excess of the permissible density of urine. It is diagnosed at a high specific density - above 1030 grams per liter of liquid. The reasons causing it may be:

  • Diabetes;
  • Glomerulonephritis with nephrotic syndrome;
  • Dehydration due to diarrhea, vomiting, severe overheating, or not drinking enough fluids;
  • Large doses of antibiotics and other medications;
  • Toxicoses, including toxicosis during pregnancy;
  • Inflammation of the genitourinary system.

Symptoms of hypersthenuria:

  • A sharp decrease in single portions of excreted urine;
  • Change in the shade of urine towards dark tones, often interspersed with clots;
  • The occurrence of pain in the abdomen;
  • Chronic weakness and apathy;
  • General swelling without visible localization.

Specific gravity is underestimated

The state of a noticeable decrease in the relative specific gravity of urine, in comparison with the norm, is called hyposthenuria. With it, the specific density of urine is significantly less than the lower limit of normal. The cause of this deviation may be excessive consumption of water, juices and any other liquids. Men, for example, often abuse beer, which may well affect the relative specific concentration of urine in the direction of its strong reduction. If we talk about pathological processes that contribute to hyposthenuria, we can highlight the following:

  • Diabetes (sugar);
  • Regeneration of edematous infiltrates at the end of inflammatory processes;
  • Low-calorie diet with a lack of enzymes and vitamins, leading to a dystrophic state;
  • Protracted pyelonephritis;
  • Chronic forms of renal failure;
  • Nephrosclerosis is a disease that provokes changes in the structural tissue of the kidneys (formation of nodes);
  • Glomerulonephritis;
  • Interstitial nephritis;
  • Taking diuretics in violation of doctor's recommendations;
  • Excessive passion for drinks.

Both hypersthenuria and hyposthenuria can cause serious negative consequences, so it is advisable to identify it in the early stages. These conditions can be diagnosed relatively easily, using a urine test using the general method and according to Zimnitsky’s scheme, therefore, people who are predisposed to such problems should undergo regular examinations.

What to do if the specific gravity of urine deviates from the norm?

It is advisable to treat such conditions in a hospital or at least under the constant supervision of a doctor - an endocrinologist, nephrologist or pediatrician. Patients with diabetes mellitus, at the slightest hint of a change in the density of urine, should take the doctor’s advice especially responsibly, since diabetes can provoke rapid developments and seriously complicate recovery. In this case, it is very important to diagnose the cause of the pathology at an early stage of development and immediately begin to eliminate it.

Fundamentally, the treatment of this disease is no different from any other, since a thorough diagnosis reveals the cause, that is, a diseased organ that creates problems for the entire body, and makes it possible to prescribe a set of treatment tactics in the future. The prescribed drugs should act, first of all, directly on the original source of the problem and have as little effect on healthy organs as possible.

If the problem is kidney failure, a mandatory factor for successful treatment is a gentle diet and a healthy lifestyle. The diet should be devoid of spicy, smoked, salted foods and contain as few culinary spices as possible. Quitting smoking and alcohol is not even discussed. Drug treatment, if unavoidable, should be carried out strictly according to the recommendations of the attending physician and under his constant supervision.

If the phenomenon of hyposthenuria or hypersthenuria is observed in a patient in a chronic cycle, then such patients are registered with a doctor and require a systemic examination every three months with mandatory urine and, possibly, blood tests.

Quite often, hypersthenuria in diabetes mellitus is a side symptom. A feature of this pathology is an increased level of sugar in the blood, which leads to increased urination, and this, in turn, requires the consumption of more fluid to restore water balance. Ultimately, this can lead to problems with the kidneys and the entire urinary system.

If the patient has diabetes mellitus, then treatment consists of monitoring blood sugar levels and regular examination by a nephrologist in compliance with all his recommendations. Unfortunately, the disease is chronic and incurable, so you can only control its course in order to avoid side effects in the form of disruption of the renal system.

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