The Study
Comparative study of different doses of oral zinc supplementation in children with acute diarrhea
This study gave different amounts of zinc to kids with diarrhea and saw who got better faster. It shows that more zinc might help kids feel better quicker, but it doesn't prove zinc is the only reason they got better — maybe other things played a role too.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
When kids get sick with watery poop, giving them extra zinc helps their tummy heal. More zinc = faster recovery.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 562 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — reducing diarrhea from 13 days to 6 days means fewer hospital visits, less dehydration, and faster recovery for young children.
- 2Kids who got 60 mg of zinc daily for 14 days had diarrhea for only 6 days, while those who got no zinc had it for 13 days.
- 3Higher zinc doses raised zinc levels in blood more and cut risk of long diarrhea by 70%.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Alexandria Journal of Pediatrics
Year
2024
Authors
Nada El Said Abd Rabou, Rasha M. El Shafiey, A. E. El Bendary, Shymaa M. El Refaey
Related Content
Claims (6)
Giving zinc supplements to infants at intervals reduces moderate-to-severe diarrhoea by 63% and acute respiratory infections by 72%, with greater effects in more severe cases, due to biological effects on immune function or mucosal tissue repair.
Children under 5 years old with acute diarrhea who take 60 mg of zinc daily for 14 days experience diarrhea for 7.3 fewer days than those who take no zinc, and this dose works better than 20 mg or 40 mg per day.
In children under 5 with acute diarrhea, taking 60 mg of zinc daily for 14 days raises blood zinc levels 70% more than taking 20 mg daily, and this higher blood zinc level is linked to a lower chance of diarrhea lasting over 7 days.
Children under 5 with low zinc levels in their blood at the start of treatment, and those whose zinc levels do not rise much during treatment, are more likely to have diarrhea that lasts longer than 7 days.
Giving children under 5 years old zinc supplements for 14 days at doses between 20 and 60 mg per day reduces the length of acute diarrhea, with the highest dose providing the greatest reduction.
Giving children under 5 years old zinc supplements at doses of 60 mg per day or less for up to 14 days does not lead to serious side effects such as nausea, vomiting, headache, or indigestion during treatment for acute diarrhea.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.