Balanced crystalloid IV fluid
Potassium chloride with calcium chloride sodium chloride and sodium lactate
Brand names: Hartmann's solution, Compound sodium lactate
Adult dose
Dose: Resuscitation: 250–500mL bolus, repeat. Maintenance: 25–30 mL/kg/day adjusted
Route: IV
Frequency: per indication
Clinical pearls
- First-line balanced crystalloid for resuscitation/maintenance per NICE
- Avoid in DKA (use 0.9% NaCl initially per BSPED/JBDS)
Contraindications
- Hyperkalaemia
- Severe metabolic alkalosis
- Severe hepatic impairment (lactate metabolism)
Side effects
- Volume overload
- Hyperkalaemia (mild)
- Metabolic alkalosis (rare)
Interactions
- Ceftriaxone (calcium — separate line)
Reference: BNF; NICE CG174; SSC 2021; https://bnf.nice.org.uk/drugs/potassium-chloride-with-calcium-chloride-sodium-chloride-and-sodium-lactate/. Verify against your local formulary and the latest BNF before prescribing.
Related
Curated clinical cross-links plus same-class fallbacks.
Calculators
- Parkland Formula for Burns Fluid Resuscitation · Burns
- TBSA — Total Body Surface Area Burned (Rule of Nines) · Formula
- Corrected Sodium (Hyperglycaemia) · Electrolytes
- Hyponatraemia Cause Algorithm · Electrolyte Disorders
- Hyperkalaemia Management Algorithm · Electrolyte Disorders
- MELD-Na Score · Liver Disease
Pathways
- New-Onset Atrial Fibrillation · ESC 2020 AF Guidelines; NICE NG196
- Hypertensive Emergency · ESC/ESH 2018 Hypertension Guidelines; NICE NG136
- Bradycardia Management · Resuscitation Council UK ABCDE; ESC 2021 Pacing Guidelines
- Ventricular Tachycardia / Fibrillation · Resuscitation Council UK ACLS; ESC 2022 Ventricular Arrhythmia Guidelines
- Syncope Assessment · ESC 2018 Syncope Guidelines; NICE NG109
- Acute Chest Pain · NICE CG95; ESC 2023 ACS Guidelines