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Sodium bicarbonate

Medical expert of the article

Internist, infectious disease specialist
, medical expert
Last reviewed: 03.07.2025

Sodium bicarbonate is a perfusion type solution, a blood substitute. It belongs to the category of electrolyte solutions.

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ATC classification

B05XA Электролитные растворы

Active ingredients

Натрий двууглекислый (бикарбонат)

Pharmacological group

Коагулянты (в том числе факторы свертывания крови), гемостатики

Pharmachologic effect

Антикоагулянтные препараты

Indications Sodium bicarbonate

It is used for uncompensated metabolic acidosis in poisonings of various origins, and also in complications after surgery, deep or large burns and shock. It is also used for prolonged diarrhea, diabetic coma, persistent vomiting, severe forms of kidney/liver disease, acute and profuse blood loss, as well as severe hypoxia in newborns and prolonged fever.

The drug is administered without fail if the patient has a decrease in blood pH to values below 7.2 (in a normal state it should be 7.37-7.42).

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Release form

It is released in the form of an infusion medicinal solution, in bottles of 100, 200 or 400 ml.

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Pharmacodynamics

The medicine helps to stabilize the alkaline blood levels and correct metabolic acidosis. During the dissociation of the active substance, the bicarbonate anion is released, which is synthesized with hydrogen ions, resulting in the formation of a carboxylic acid, which further decomposes to the state of water with carbon dioxide released during breathing.

A solution with a pH level of 7.7-7.9 prevents the possibility of sudden alkalinization and also promotes a smooth change in acidosis, while simultaneously increasing the alkaline reserves of the blood.

At the same time, the drug increases the excretion of chloride and sodium ions from the body, increases the osmotic form of diuresis, helps alkalize urine and prevents the appearance of uric acid as a sediment inside the urinary system. Bicarbonate anion is not able to pass into cells.

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Dosing and administration

For adults, the solution is prescribed either in rectal drip form or by intravenous injection, and for children - by intravenous drip method. Taking into account the severity of the developed acidosis, the medicine can be diluted with a 5% glucose solution (ratio 1 to 1).

Intravenous injection for adults should be performed at a rate of about 60 drops/minute, and should not exceed 200 ml/day. The dose size should be calculated taking into account the level of blood gases using the following formula:

The volume of 0.5 molar sodium bicarbonate (buffer) 4.2%, calculated in ml, is equal to the base deficit (-BE value) multiplied by the patient's kg weight, also multiplied by 0.3 x 2 (the value 0.3 is the proportion of extracellular fluid in relation to the total fluid level).

For children over 1 year of age, the solution is prescribed in a dose of 5-7 ml/kg of weight.

The maximum permissible adult daily dose of the drug is 300 ml (if the patient is overweight, then 400 ml) per day. A child can be administered within 100-200 ml of the solution per day (depending on weight).

Use Sodium bicarbonate during pregnancy

There is no information on the use of the solution during lactation/pregnancy. The drug is allowed to be prescribed only in cases where the probable benefit to the woman will exceed the risk of complications for the fetus.

The use of the solution during breastfeeding is permitted only in cases of life-threatening disorders.

Contraindications

Among the contraindications:

  • metabolic or respiratory alkalosis;
  • hypokalemia or hypernatremia;
  • children under 1 year of age.

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Side effects Sodium bicarbonate

The main side effects are vomiting with nausea, as well as headaches and stomach pains, anxiety, anorexia, seizures, increased blood pressure and alkalosis.

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Overdose

As a result of drug poisoning, hypernatremia, hyperalkalosis, as well as tetanic seizures and hyperosmia may occur.

If the victim exhibits symptoms of alkalosis (convulsions develop (also with signs of tetany), a feeling of excitement, an increase in pH and sodium, and a decrease in calcium and potassium), it is necessary to stop the injection of the solution. Then, if necessary, administer a glucose solution (5%) or sodium chloride.

If there is a risk of tetany, an adult should be given an intravenous injection of calcium gluconate (1-3 g).

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Interactions with other drugs

The solution may potentiate the hypotensive properties of the substance reserpine.

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Storage conditions

Sodium bicarbonate should be stored in a place inaccessible to children. The solution should not be frozen. The storage temperature should not exceed 25°C. If precipitation is observed, the solution should not be used.

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Shelf life

Sodium bicarbonate can be used for 2 years from the date of preparation of the medicinal solution.

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Manufacturer

ЗАО "Инфузия", г. Киев, Украина


Attention!

To simplify the perception of information, this instruction for use of the drug "Sodium bicarbonate" translated and presented in a special form on the basis of the official instructions for medical use of the drug. Before use read the annotation that came directly to medicines.

Description provided for informational purposes and is not a guide to self-healing. The need for this drug, the purpose of the treatment regimen, methods and dose of the drug is determined solely by the attending physician. Self-medication is dangerous for your health.

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