This will be an open randomized trial in children designed to measure the impact and efficacy of daily zinc administration. There will be two groups in the study, one group will receive Zinc in the form tablets, other will receive in the form of suspension, both of these groups will also receive recommended treatment of diarrhea as per WHO protocol and these groups will be enrolled from the patients admitting in the Paediatric Unit of Civil Hospital, Hyderabad and NICH, Karachi with the complain of acute diarrhoea.