Urinary alkaliniser
Potassium citrate with potassium bicarbonate
Adult dose
Dose: 10mL diluted PO TDS-QDS
Route: PO
Frequency: TDS-QDS
Clinical pearls
- Cystinuria, uric acid stones; symptomatic relief in cystitis
- Targets urine pH 6.5–7.5
Contraindications
- Severe renal impairment
- Hyperkalaemia
Side effects
- GI upset
- Hyperkalaemia
- Metabolic alkalosis
Interactions
- Quinolones
- ACEi/ARB
- K-sparing diuretics
Monitoring
- Urine pH
- K+
- HCO3-
Reference: BNF; BAUS guidelines; https://bnf.nice.org.uk/drugs/potassium-citrate-with-potassium-bicarbonate/. Verify against your local formulary and the latest BNF before prescribing.
Related
Curated clinical cross-links plus same-class fallbacks.
Calculators
- Done Nomogram (Salicylate Toxicity) · Toxicology
- DKA Severity Classification · Diabetes
- Hyperkalaemia Management Algorithm · Electrolyte Disorders
- FAST Exam Protocol — Focused Assessment with Sonography in Trauma · Trauma
- Transtubular Potassium Gradient (TTKG) · Electrolytes
- Bicarbonate Deficit Calculator · Acid-Base