This kind of ear infection can happen after any condition that keeps fluid from draining from the middle ear. These conditions include allergies, a cold, a sore.
Children are more likely than adults to get ear infections. Because ear infections Ear pain; Drainage of fluid from the ear; Trouble hearing.
Ear infections are less common in adults than in children, but they may be It's caused by fluid trapped behind the eardrum, which causes the eardrum to bulge.