Potassium chloride mixture may maintain hypokalaemia and hypertension

Hypokalaemia can be treated with potassium chloride mixture. Some mixtures contain liquorice extract (glycyrrhizin) as a supplement to improve taste. Glycyrrhizin can cause pseudohyperaldosteronism and thereby result in hypertension and hypokalaemia. We here present a case where treatment with potassium chloride mixture causes hypertension and hypokalaemia in a 50-year-old woman. After unravelling differential diagnosis, the potassium chloride mixture was stopped. After the discontinuation, the patient's blood pressure was well managed and the potassium levels normalised.

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