This document outlines guidelines for treating pediatric diarrhea. It defines diarrhea and describes types such as acute and chronic. Common bacterial and viral causes are listed. Diarrhea can cause dehydration through fluid and electrolyte loss. Signs of dehydration include increased thirst, irritability, and sunken eyes. The World Health Organization sets standard treatment guidelines based on dehydration severity - no, mild, or severe dehydration. Treatment plans involve oral rehydration, antibiotics if needed, and early reintroduction of food. Prevention through safe water, food handling, and hygiene is emphasized.