Acetazolamide-induced nephrolithiasis: implications for treatment of neuromuscular disorders.

Tawil, R; Moxley, R T; Griggs, R C · Neurology · 1993

case_series · Level IV

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Abstract

Carbonic anhydrase inhibitors can cause nephrolithiasis. We studied 20 patients receiving long-term carbonic anhydrase inhibitor treatment for periodic paralysis and myotonia. Three patients on acetazolamide (15%) developed renal calculi. Extracorporeal lithotripsy successfully removed a renal calculus in one patient and surgery removed a staghorn calculus in another, permitting continued treatment. Renal function remained normal in all patients. Nephrolithiasis is a complication of acetazolamide but does not preclude its use.

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