What Causes Middle Ear Fluid?
Here are some things that may cause middle ear fluid to happen in your child: • Past ear infection. It is common for children to have middle ear infections. And some children with middle ear infection later have middle ear fluid. • Blockage of the eustachian tube (see Figure 1 ). • Cold or flu. There is no one cause for middle ear fluid. Often, your child’s health care provider will not know what caused the middle ear fluid. You may want to use the chart at the end of this booklet to keep track of when your child has ear problems and medical treatments.
