For kids, one of the most common trigger of an ear infection is a top breathing viral infection, such as a cold or the influenza. These problems can make the Eustachian tube so swollen that air can no more move into the middle ear. Allergic reactions-- to pollen, dirt, pet dander, or food-- can create the same impact as a chilly or flu, as can smoke, fumes, and also various other environmental toxic substances. Getting into germs can unleash significant chaos, transforming inflammation into infection and prompting high temperatures.