IV fluid (potassium + dextrose)
Potassium chloride with glucose
Adult dose
Dose: Per maintenance regime — typically 1L 5% dextrose + 20–40 mmol KCl over 8–12h
Route: IV
Frequency: per indication
Clinical pearls
- Maintenance fluid in NBM patients with normal renal function
- Add KCl 20-40 mmol/L per UK practice
Contraindications
- Hyperkalaemia
- Diabetic ketoacidosis (initial)
- Hypoglycaemia not the indication
Side effects
- Hyperglycaemia
- Hyperkalaemia
- Phlebitis
Interactions
- ACEi/ARB
- Insulin
Monitoring
- K+
- Glucose
- U&E
Reference: BNF; NICE CG174; https://bnf.nice.org.uk/drugs/potassium-chloride-with-glucose/. 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
- HbA1c Converter · Diabetes
- Glucose Infusion Rate (GIR) Calculator · Glucose Management
- C-Peptide to Glucose Ratio · Diabetes Classification
- Hypoglycaemia Severity Classification · Diabetes Management