Potassium citrate and citric acid

FDA label, Chartwell Governmental & Specialty RX, LLC., oral, effective 2026-02-25. Full label on DailyMed

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From MedlinePlus, U.S. National Library of Medicine

Quoted from the FDA label. Product labels differ by manufacturer and change over time; confirm against the label for the product you are using.

Dosing in kidney impairment

CONTRAINDICATIONS Severe renal impairment with oliguria or azotemia, untreated Addison's disease, adynamia episodica hereditaria, acute dehydration, heat cramps, anuria, severe myocardial damage, and hyperkalemia from any cause. WARNINGS Large doses may cause hyperkalemia and alkalosis, especially in the presence of renal disease.

Preparation and administration

DOSAGE AND ADMINISTRATION Potassium Citrate and Citric Acid Oral Solution, USP should be taken diluted in water according to directions, followed by additional water, if desired. Palatability is enhanced if chilled before taking. Usual Adult Dose 3 to 6 teaspoonfuls (15 to 30 mL), diluted with 1 glass of water, after meals and at bedtime, or as directed by a physician.

Usual Pediatric Dose 1 to 3 teaspoonfuls (5 to 15 mL), diluted with 1/2 glass of water, after meals and at bedtime, or as directed by a physician. Usual Dosage Range 2 to 3 teaspoonfuls (10 to 15 mL), diluted with a glassful of water, taken four times a day. Potassium Citrate and Citric Acid Oral Solution USP, diluted with a glassful of water, taken four times a day will usually maintain a urinary pH of 7.0-7.6 throughout most of the 24 hours without unpleasant side effects.

Contraindications

Severe renal impairment with oliguria or azotemia, untreated Addison's disease, adynamia episodica hereditaria, acute dehydration, heat cramps, anuria, severe myocardial damage, and hyperkalemia from any cause.

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