Parenteral Fluids

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Updated: 
February 15, 2024

Normal Saline (0.9% NaCl):Composition:

  • Sodium (Na+): 154 mEq/L
  • Chloride (Cl-): 154 mEq/L

Indications:

  • Fluid resuscitation
  • Hypovolemia
  • Hyponatremia

Contraindications:

  • Hypernatremia
  • Fluid overload

Lactated Ringer's Solution (LR or Ringer's Lactate):Composition:

  • Sodium (Na+): 130 mEq/L
  • Potassium (K+): 4 mEq/L
  • Calcium (Ca2+): 3 mEq/L
  • Chloride (Cl-): 109 mEq/L
  • Lactate: 28 mEq/L

Indications:

  • Fluid resuscitation
  • Dehydration
  • Burns
  • Acute blood loss

Contraindications:

  • Hyperkalemia
  • Severe liver disease

5% Dextrose in Water (D5W):Composition:

  • Dextrose (Glucose): 5 g/100 mL

Indications:

  • Provides free water and calories
  • Hyponatremia correction (when combined with electrolyte solutions)

Contraindications:

  • Not appropriate for primary volume expansion
  • Caution in diabetic patients due to high glucose content

0.45% Saline (Half-Normal Saline or 0.45% NaCl):​Composition:

  • Sodium (Na+): 77 mEq/L
  • Chloride (Cl-): 77 mEq/L

Indications:

  • Cellular dehydration
  • Maintenance fluids

Contraindications:

  • Hypernatremia
  • Fluid overload

Dextrose Saline Solutions:

  • These solutions combine dextrose and saline in various concentrations, providing electrolytes similar to the corresponding saline solution.
  • Indications and contraindications similar to the corresponding saline solutions.

3% or 5% Saline (Hypertonic Saline):Composition:

  • ​Sodium (Na+): 513 mEq/L (in 3% saline)
  • Sodium (Na+): 855 mEq/L (in 5% saline)
  • Chloride (Cl-): Corresponding to the sodium content

Indications:

  • ​Severe hyponatremia
  • Cerebral edema

Contraindications:

  • ​Hypernatremia
  • Hyperchloremic acidosis

Plasma-Lyte:Composition:

  • ​Sodium (Na+): 140 mEq/L
  • Potassium (K+): 5 mEq/L
  • Calcium (Ca2+): 3 mEq/L
  • Magnesium (Mg2+): 3 mEq/L
  • Chloride (Cl-): 98 mEq/L
  • Acetate (CH3COO-): 27 mEq/L

Indications:

  • ​Fluid and electrolyte replacement
  • Metabolic alkalosis

Contraindications:

  • ​Hyperkalemia
  • Severe kidney dysfunction

Albumin Solution:Indications:

  • Hypovolemia
  • Hypoalbuminemia
  • Burns
  • Nephrotic syndrome

Contraindications:

  • ​Severe heart failure
  • Known allergy to albumin

Hetastarch (Hydroxyethyl Starch):​Indications:

  • Volume expansion
  • Hypovolemia

​​​​Contraindications:

  • ​ Renal impairment
  • Coagulopathy
  • Bleeding disorders