Ear infections can occur in the outer or middle ear. An ear infection occurs in the middle ear when fluid becomes trapped following a viral or bacterial infection. This painful affliction is most common in children, but can affect people of all ages. Infections can also occur in the outer ear. They are most common when the skin in the outer ear is dry and cracked. Ear infections can be either acute (of short duration) or chronic (persisting or reoccurring frequently).
What Causes Ear Infections?
Otitis media is the medical term for an inflammation of the middle ear, commonly referred to as an ear infection.
The majority of ear infections are viral or bacterial in nature, usually occurring after a cold or upper respiratory infection. These conditions cause swelling of the Eustachian tube, a small canal that connects the middle ear to the nostrils and provides an outlet for fluid drainage, trapping germs and fluid in the middle ear and leading to infection.
Because children are still growing physically, some of their internal organs may also be temporarily underdeveloped. This is true of the Eustachian tube, the vertical canal that connects the middle ear to the nostrils, providing an outlet for fluid drainage. Eustachian tubes in children are still horizontal and therefore don’t drain the fluid efficiently.
Because the Eustachian tube is smaller in children, it is more prone to swelling; when this occurs, fluid is trapped in the middle ear. This fluid presses against the eardrum, causing pain, and can harbor germs that lead to infection. The result is an earache and, in some cases, loss of hearing. When the infection does not completely go away or returns often, it is referred to as chronic.
What Are the Symptoms of an Ear Infection?
The hallmark signs of otitis media are pain and pressure in the ear and fluid drainage. These may be accompanied by a low-grade fever and hearing loss. Infants are often fussier than usual, and may cry inconsolably, refuse to eat and have trouble sleeping. They may also pull or tug on the ear. Symptoms may be milder in chronic ear infections. Should your child display any of these symptoms, bring them to the doctor; the sooner an acute ear infection is treated, the lower the chances of it developing into a chronic condition.
How Are Ear Infections Treated?
Treating an ear infection begins at home. To help soothe symptoms, gently press a warm washcloth against the affected ear. You may give your child eardrops and over-the-counter medications such as acetaminophen or ibuprofen to help relieve pain. Avoid aspirin, which can be dangerous to young children.
Your child’s doctor will likely prescribe antibiotics to treat a chronic ear infection. These should be taken until used up, even if your child’s symptoms appear to be improving; otherwise, the infection could worsen.
When medication is not effective, a surgical solution involving ear tubes may be considered. These are inserted in the middle ear and provide ventilation and fluids, keeping the ear clear and preventing infection. Most ear tubes remain in place anywhere from six to 18 months and eventually fall out on their own. If not, surgery to remove them is performed.
Can Ear Infections Cause Complications?
If left untreated, chronic ear infections can lead to a variety of complications including hearing loss, damage to the bones in the middle ear, balance problems, a middle ear cyst called a cholesteatoma, facial paralysis and inflammation of the brain. For these reasons, early detection and treatment are crucial. Better still is prevention.
You can’t always stave off an ear infection, but there are steps you can take to reduce the chances of your child developing one. These include breast-feeding your baby, making sure they are up-to-date on vaccinations, practicing good hygiene (e.g., regular hand-washing), keeping your child away from tobacco smoke, and enrolling them in as small a day care or preschool facility as possible. Simply put, fewer children mean fewer germs.
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