This document provides guidance for integrated management of childhood illnesses for children aged up to 5 years. It outlines how to assess, classify, and treat sick young infants aged up to 6 months as well as sick children aged 6 months to 5 years. It describes how to check for general danger signs, ask about main symptoms, classify illnesses, and identify appropriate treatment plans. It also provides counseling guidance for mothers on feeding recommendations, hygiene, follow-up care, and when to return to the health worker.