This document discusses promoting the prevention and treatment of diarrhea through increased availability and use of oral rehydration salts (ORS) and zinc. It provides an overview of diarrhea as a major killer of children globally and in India. It outlines the components of effective diarrhea management with ORS and zinc, and some field challenges in Uttar Pradesh like widespread diarrhea prevalence, low ORS and zinc use, and inappropriate antibiotic use. The document then discusses interventions in Uttar Pradesh like training healthcare providers, improving supply chains, generating evidence, and establishing partnerships to promote ORS and zinc for diarrhea treatment. It highlights a social marketing initiative in Lalitpur using community empowerment, health education, and enhanced distribution to increase access and affordability