Chronic ingestion of liquorice induces a syndrome with findings similar to those in primary hyperaldosteronism. We describe a patient who, with a plasma K+ of 1.8 mmol/l, showed a paralysis and severe rhabdomyolysis after the habitual consumption of natural liquorice. Liquorice has become widely available as a flavouring agent in foods and drugs. It is important for physicians to keep liquorice consumption in mind as a cause for hypokalaemic paralysis and rhabdomyolysis.

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The Netherlands Journal of Medicine
Erasmus MC: University Medical Center Rotterdam

van den Bosch, A., van der Klooster, J. M., Zuidgeest, D. M., Ouwendijk, R., & Dees, A. (2005). Severe hypokalaemic paralysis and rhabdomyolysis due to ingestion of liquorice. The Netherlands Journal of Medicine. Retrieved from