Oral zinc provision in acute diarrhea

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PURPOSE OF REVIEW: The clinical management of acute diarrhea is based on the use of oral rehydration salts and appropriate nutrition. In addition, the WHO and The United Nations Childrenʼs Fund recommend zinc supplementation for diarrhea in children below 5 years. This article aims at reviewing recent literature on the effects of oral zinc for treating acute diarrhea in children. RECENT FINDINGS: Recent studies confirm that zinc supplementation has a benefit in children below 5 years with acute diarrhea in countries at medium or high risk of zinc deficiency. A few small trials have reported a benefit of zinc in children at low risk of zinc deficiency, with heterogeneity in results. No recent study has explored the effects of zinc in children younger than 6 months, and in this age group previous research refuted any benefit from zinc. SUMMARY: Current literature supports the use of oral zinc in treating diarrhea in children older than 6 months, especially if at risk of zinc deficiency, such as children with poor diets exposed to recurrent gastrointestinal infections. More research is needed to confirm findings in children at low risk of zinc deficiency. Currently there is no evidence that zinc benefits children younger than 6 months.

Original languageEnglish
JournalCurrent Opinion in Clinical Nutrition and Metabolic Care
Publication statusAccepted/In press - Mar 8 2016

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics


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