What is NaCl


Sodium chloride solution for infusion (0.9%) Drug groupsInfusions Sodium chloride solution for infusion is a solution of sodium chloride in water for injections. It serves as a substitute for water, sodium and chloride and can be used as a fluid replacement, for hyponatremia, hypochloremia and as a carrier solution for active pharmaceutical ingredients. Due to various deficits, however, the solution is rarely used as a volume replacement today.

synonymous: NaCl infusion solution, Natrii chloridi solutio infundibilisPH

Products

Infusion solutions with sodium chloride (0.9%) are available from various manufacturers in Switzerland (e.g. Fresenius, Sintetica, Braun).

Manufacturing

The clear, colorless liquid contains 9 g sodium chloride per liter of water.

Production of a sodium chloride solution 0.9%, click to enlarge. Illustration © PharmaWiki

Structure and properties

Sodium chloride (NaCl, Mr = 58.44 g / mol) is a white, crystalline powder, colorless crystals or white pearls. It has a salty taste (table salt) and is easily soluble in water.

Effects

Sodium Chloride Infusion Solutions (ATC B05BB01) serve as a substitute for water, sodium and chloride. Today they are rarely used as a volume replacement in the event of a loss of extracellular fluid, among other things because they do not contain all electrolytes, the chloride concentration is too high and they do not contain any bicarbonate. Instead, Ringer's solutions and, in the case of greater blood loss, colloids such as hydroxyethyl starch are used.

The "physiological" saline solution is only approximately physiological because there are deviations with regard to the ion concentration, the components and the pH value (e.g. Li et al., 2016; Reddi, 2013). Above all, the chloride concentration is significantly higher than in blood serum, the pH value is around 5.5 or even lower. This is another reason why the intake of large quantities can lead to undesirable effects.

Indications

Sodium chloride infusion solutions can be used as a fluid replacement, for dehydration, mild shock, hyponatraemia, hypochloremia and as a carrier solution for electrolyte concentrates and active pharmaceutical ingredients.

dosage

According to the medicinal product information. The solutions are administered intravenously as an infusion.

Contraindications

The solutions are contraindicated in hypervolaemia, hypernatremia, hyperchloremia and hypertonic dehydration. The complete precautionary measures can be found in the medicinal product information sheet.

Interactions

Glucocorticoids and ACTH can promote sodium retention with cardiac decompensation.

unwanted effects

NaCl infusion solutions are usually well tolerated. As with other infusions, potential adverse effects include venous irritation and thrombophlebitis.

see also

Infusions, sodium chloride

literature
  • Medicinal product information (CH, D)
  • Brochure “Basics of Infusion Therapy” from B. Braun Switzerland http://www.bbraun.ch
  • European Pharmacopoeia PhEur
  • Li H. et al. 0.9% saline is neither normal nor physiological. J Zhejiang Univ Sci B, 2016, 17 (3), 181-7 Pubmed
  • Pharmacopoea Helvetica
  • Reddi B.A. Why is saline so acidic (and does it really matter?). Int J Med Sci, 2013, 10 (6), 747-50 Pubmed
author

Conflicts of Interest: None / Independent. The author has no relationships with the manufacturers and is not involved in the sale of the products mentioned.


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This article was last changed on December 25th, 2020.
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