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Citric acid

Brand names: ALKA-SELTZER (in combination) AS 3 (in combination) CLENPIQ (in combination) CPD (in combination) CPDA-1 (in combination) CPDA-1 BLOOD COLLECTION SYSTEM (in combination) IMUFLEX (in combination) PHEXXI (in combination) TRICITRASOL


Potassium citrate is indicated for the management of renal tubular acidosis with calcium stones, hypocitraturic calcium oxalate nephrolithiasis of any etiology, uric acid lithiasis with or without calcium stones. When potassium citrate is given orally, the metabolism of absorbed citrate produces an alkaline load. The induced alkaline load in turn increases urinary pH and raises urinary citrate by augmenting citrate clearance without measurably altering ultrafilterable serum citrate. Thus, potassium citrate therapy appears to increase urinary citrate principally by modifying the renal handling of citrate, rather than by increasing the filtered load of citrate.

ATC Classification

Citric acid
A Alimentary tract and metabolism → A09 Digestives, incl. enzymes → A09A Digestives, incl. enzymes → A09AB Acid preparations