Myoclonus and Metabolic Alkalosis from Licorice in Antacid

概要

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A 90-year-old woman with hypertension developed metabolic alkalosis and myoclonus. Her medications included diltiazem hydrochloride, benidipine hydrochloride, kallidinogenase, procaterol hydrochloride, sennoside, dihydrocodeine phosphate, and KM powder® antacid that contained 354 mg of licorice and 900 mg of sodium bicarbonate per 3.9 g of powder. Endocrinological studies showed slightly reduced plasma renin activity and normal plasma aldosterone concentration. A provisional diagnosis of licorice-induced metabolic alkalosis was established and the patient was successfully treated after correction of serum pH and cessation of the medications. Licorice-induced metabolic alkalosis must be considered in the differential diagnosis of myoclonus.
社団法人　日本内科学会の論文
2004-01-01