Hola Doctor Daniel

What causes an ear infection? An ear infection occurs when one of your eustachian tubes becomes swollen or blocked, causing fluid to build up in your middle ear. Eustachian tubes are small tubes that run from each ear directly to the back of the throat. The causes of eustachian tube blockage include: allergies colds sinus infections excess mucus smoking infected or swollen adenoids (tissue near your tonsils that trap harmful bacteria and viruses) changes in air pressure RISK FACTORS Risk factors for ear infections Ear infections occur most commonly in young children because they have short and narrow eustachian tubes. Infants who are bottle-fed also have a higher incidence of ear infections than their breastfed counterparts. Other factors that increase the risk of developing an ear infection are: altitude changes climate changes exposure to cigarette smoke pacifier use recent illness or ear infection SYMPTOMS What are the symptoms ...