<prompt> What is the dose of zinc in diarrhea in a one year old child?10 mgday for 2 weeks10mgday for 4 weeks10mgday for 6 weeks20 mgday for 2 weeks  <response>: The dose for treatment of zinc deficiency is 10mgday for 14 days for infant 2-6 months of age and 20mgday for 14 days for older than 6 months.Refer: Nelsons Textbook of Pediatrics, SAE, 1st edition, pg no. 1872 - 1873 