Ear Infection ( Acute otitis Media)- that occurs when a virus or bacteria infects the space behind your child’s eardrum.Prevent colds and other respiratory illnesses. Be proactive in preventing colds, especially during your child’s first year. Teach them about frequent handwashing and coughing or sneezing into their elbow. Don’t allow them to share food, cups or utensils. If it’s an option, avoid large daycare centers until they’re older.Avoid secondhand smoke. Avoid exposure to secondhand smoke, and don’t allow others to smoke around your child.