Liquorice, growth retardation and Addison's disease.
An 11-year-old boy had hypoparathyroidism and Addison's disease. During treatment with calcitriol, calcium, hydrocortisone and 9-alpha-fluorocortisol, he developed an apparent mineralocorticoid excess and growth retardation. Pseudohyperaldosteronism even persisted after treatment with 9-alpha-fluorocortisol was stopped and hydrocortisone was reduced to 6 mg/m(2). The boy reported an excessive daily intake of 300-400 g liquorice corresponding to 600-800 mg glycyrrhizic acid because of salt craving. After complete withdrawal of liquorice all symptoms of hypermineralocorticoidism diminished and growth velocity increased. We hypothesise that inhibition of 11beta-hydroxysteroid dehydrogenase by liquorice caused hypermineralocorticoidism and growth retardation via increased levels of free cortisol in this patient. We conclude that self-medication with liquorice in children with Addison's disease should be considered during treatment.[1]References
- Liquorice, growth retardation and Addison's disease. Doeker, B.M., Andler, W. Horm. Res. (1999) [Pubmed]
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