Pediatrics Disorders of Gastrointestinal System Including Diarrhea 2726ca00 In a 12-month-old child with Diarrhea, the dose of zinc is: A 1 mg/day for 10-14 days B 10 mg/day for 10-14 days C 15 mg/day for 10-14 days D 20 mg/day for 10-14 days High-Yield Explanation Dose of Zinc for children older than 6 months with diarrhea is 20 mg/day for 10-14 days.