WHO Model Prescribing Information: Drugs Used in Anaesthesia
(1989; 60 pages) [French] Ver el documento en el formato PDF
Índice de contenido
Ver el documentoPreface
Ver el documentoIntroduction
Abrir esta carpeta y ver su contenidoPremedication
Abrir esta carpeta y ver su contenidoGeneral anaesthetics and oxygen
Abrir esta carpeta y ver su contenidoLocal anaesthetics
Abrir esta carpeta y ver su contenidoNon-opioid analgesics
Abrir esta carpeta y ver su contenidoOpioid analgesics and antagonists
Abrir esta carpeta y ver su contenidoMuscle relaxants and cholinesterase inhibitors
Abrir esta carpeta y ver su contenidoBlood substitutes
Cerrar esta carpetaSolutions for correcting water and electrolyte imbalance
Ver el documentoCompound solution of sodium lactate
Ver el documentoGlucose
Ver el documentoGlucose with sodium chloride
Ver el documentoSodium chloride
Ver el documentoPotassium chloride
Abrir esta carpeta y ver su contenidoAntacid for use in obstetric practice
Ver el documentoAnaesthesia at the District Hospital
Ver el documentoSelected WHO publications of related interest
Ver el documentoBack cover

Compound solution of sodium lactate

Group: intravenous infusion fluid
Injectable isotonic solution

General information

Two solutions are widely available that approximate the composition of extracellular fluid (see table).


Concentration (mmol/litre)



















Clinical information


• As an alternative to isotonic saline in the preoperative correction of severe fluid and sodium depletion.

• Replacement of extracellular fluid during surgery.

• Initial restoration of circulatory volume in hypovolaemic shock.

Dosage and administration

Individual fluid requirements must always be determined on the basis of clinical and, whenever possible, electrolyte monitoring. As a general guide in adults:

Preoperative fluid replacement: 500 ml at 50 ml/minute as an alternative to isotonic saline.

Fluid replacement during surgery: 5 ml/minute as an alternative to isotonic saline.

Acute hypovolaemic shock: as an alternative to isotonic saline until vasoconstriction disappears and systolic blood pressure reaches 100 mmHg (13.3 kPa).


• Metabolic alkalosis.

Isotonic sodium chloride solution should be used in preference to compound solution of sodium lactate in patients with:

• hypochloraemic alkalosis due to pyloric stenosis
• respiratory or metabolic alkalosis
• diabetes or severe liver impairment.


Solutions should not be used unless they are absolutely clear, and must not be administered through apparatus used for blood transfusion because of the risk of coagulation.

Careful monitoring is required throughout the infusion since intravascular overload can occur, particularly in patients with cardiac insufficiency and whenever large volumes are administered rapidly. In this event the infusion must be slowed or suspended and, if necessary, a rapidly acting diuretic administered (for example furosemide 40 mg i.v.).

Adverse effects

Unduly rapid replacement may lead to pulmonary oedema.


Excessive infusion may result in sodium and water retention. Symptoms of hypernatraemia include restlessness, weakness, thirst, dry swollen tongue, flushing of the skin, pyrexia and tachycardia. Symptoms of water retention range from mild lethargy and disorientation to delirium, coma and convulsions.


Compound solution of sodium lactate should be stored in sealed containers and should not be allowed to freeze.

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