This document provides guidance on when to seek emergency care for children and symptoms of potential brain injury in infants and toddlers. It lists conditions like severe cuts, animal bites, fractures, difficulty breathing, signs of shock, severe headaches, poisoning, head or neck injuries, high fevers, and vomiting or diarrhea with dehydration as reasons to visit the emergency room. Potential brain injury symptoms include loss of consciousness, not recognizing parents, vomiting, behavior changes, tiring easily, appetite/sleep changes, lack of interest in toys, loss of milestones, and unsteady walking. The document emphasizes the importance of rest after head injuries to allow the brain to heal and stresses keeping a written medical history for children to provide caregivers in