Ear Infections & Problems


Social Campaign Poster 1An ear infection occurs when a bacterial or viral infection affects the middle ear—the sections of your ear just behind the eardrum. Ear infections can be painful because of inflammation and fluid buildup in the middle ear.

Ear infections can be chronic or acute. Delicate ear infections are painful but short in duration. Chronic ear infections do not clear up, or they happen again many times. Chronic ear infections can cause unending damage to the middle and inner ear.


What causes an ear infection?

Ear infections occur when one of your Eustachian tubes becomes enlarged or blocked and fluid builds 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:



sinus infections

excess mucus

tobacco smoking

infected or swollen adenoids (tissue near your tonsils that trap harmful bacteria and viruses)


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


What are the symptoms of ear infections?

A few of the common symptoms of ear infections include:

mild pain or discomfort inside the ear

a feeling of pressure inside the ear that persists

fussiness in young infants

pus-like ear drainage

hearing loss

These symptoms might persist or come and go. Symptoms may occur in one or both ears. Chronic ear infection symptoms may be less noticeable than those of acute ear infections.

Children younger than six months who have a fever or ear infection symptoms should see a doctor. Always seek medical attention if your child has a fever higher than 102 degrees or severe ear pain.


How are ear infections diagnosed?

Your healthcare provider will examine your ears with an instrument called an otoscope that has a light and magnifying lens. Examination may reveal:

redness, air bubbles, or pus-like fluid inside the middle ear

fluid draining from the middle ear

a perforation in the eardrum

a bulging or collapsed eardrum

If your infection is advanced, your doctor may take a sample of the fluid inside your ear and test it to determine whether certain types of antibiotic resistant bacteria are present. He or she may also order a computed tomography (CT) scan of your head to determine if the infection has spread beyond the middle ear. Finally, you may need a hearing test, especially if you are suffering from chronic ear infections.


How are ear infections treated?

Most mild ear infections clear up without intervention. Some of the following methods are effective in relieving the symptoms of a mild ear infection:

applying a warm cloth to the affected ear

taking over-the-counter pain medication such as ibuprofen or acetaminophen

using over-the-counter or prescription ear drops to relieve pain

taking over-the-counter decongestants such as pseudoephedrine.

If your symptoms get worse or do not improve, you should schedule an appointment with your doctor. He or she may prescribe antibiotics if your ear infection is chronic or does not appear to be improving. If a child under the age of 2 presents with ear infection symptoms, a doctor will likely give him or her antibiotics as well. It is important to finish your entire course of antibiotics if they are prescribed.

Surgery may be an option if your ear infection is not eliminated with the usual medical treatments or if you have many ear infections over a short period of time. Most often, tubes are placed in the ears to allow fluid to drain out. In cases that involve enlarged adenoids, surgical removal of the adenoids may be necessary.

What can be expected in the long term?

Ear infections usually clear up without intervention, but they may happen again. The following rare but serious complications may follow an ear infection:

hearing loss

speech or language delay in children

mastoiditis (an infection of the mastoid bone in the skull)

meningitis (a bacterial infection of the membranes covering the brain and spinal cord)

a ruptured ear drum

How can ear infections be prevented?

The following practices may reduce the risk of ear infection:

washing your hands often

avoiding overly crowded areas

forgoing pacifiers with infants and small children

breast-feeding infants

avoiding secondhand smoke

keeping immunizations up-to-date

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