Compare conditions

Put any two — or three — conditions side by side, adult or pediatric, to spot the look-alike differences fast, row by row.

Otitis Media (Middle Ear Infection)

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In one line

·An infection behind the eardrum in the middle ear that fills the space with infected fluid, blocks sound waves, and causes sharp ear pain.

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Normal physiology

·The middle ear is a marble-sized air pocket behind the eardrum that holds three tiny bones (the malleus, incus, and stapes—together called the ossicles). When sound waves hit the eardrum, the drum vibrates and rocks these bones, which pass the vibration into the inner ear so you can hear. To keep the air pressure equal on both sides of the drum, a narrow tube called the eustachian tube connects the middle ear to the back of the throat. Every time you swallow or yawn, that tube opens for a split second to let air in and any thin fluid out, keeping the middle ear dry and the drum loose enough to vibrate well.

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What goes wrong

·A cold, flu, or allergy makes the lining of the nose and throat swell. That swelling pinches the eustachian tube shut (or mostly shut), so air can't get in and fluid can't drain out of the middle ear. Mucus and watery fluid start to pool in the middle-ear space. Bacteria or viruses that were sitting in the nose or throat climb up through the tube into that trapped fluid and multiply. The infection creates thick, cloudy pus, and white blood cells rush in to fight the germs, making even more fluid. The middle ear fills up like a water balloon, pressing the eardrum outward and stretching it, which hurts. The drum turns red and bulges. Because the space is now full of liquid instead of air, the ossicle bones can't vibrate well, so hearing becomes muffled.

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Hallmark signs

·Ear pain (otalgia) that gets worse when lying down
·Fever (usually 100–104°F)
·Trouble hearing or feeling like sounds are muffled
·Fluid draining from the ear (otorrhea)
·Pulling or tugging at the ear (especially in babies and toddlers)
·Fussiness, irritability, or trouble sleeping
·Loss of balance or clumsiness
·Vomiting or loss of appetite

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Red flags · escalate now

·Severe headache, stiff neck, or the child cannot touch chin to chest (possible meningitis—infection of the brain's covering)
·Swelling, redness, or tenderness of the bone behind the ear (mastoiditis—infection has spread into the skull bone)
·Facial weakness or drooping on one side (the facial nerve runs through the middle ear; swelling can pinch it)
·Persistent high fever above 102.2°F for more than 48 hours despite antibiotics, or the child looks very ill and listless
·New confusion, extreme drowsiness, seizure, or inability to wake the child fully (signs infection may have reached the brain)

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Workup

·Pneumatic otoscopy (looking in the ear with a special light that puffs air)
·Tympanometry (a quick test that bounces sound off the eardrum to measure how stiff it is)
·Tympanocentesis (using a tiny needle to draw fluid from behind the eardrum)
·CT scan of the temporal bone (detailed X-ray slices of the skull around the ear)
·Complete blood count (CBC)
·Hearing test (audiometry) after the infection clears

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Treatment

·High-dose amoxicillin by mouth (80–90 mg per kilogram of body weight per day, split into two doses) for 5–10 days
·Amoxicillin-clavulanate (Augmentin) if the child was on amoxicillin in the past 30 days, has both eyes infected (conjunctivitis), or isn't better after 48–72 hours
·Ibuprofen (10 mg/kg every 6–8 hours) or acetaminophen (15 mg/kg every 4–6 hours) for pain and fever
·Watchful waiting (no antibiotics right away) for children 6 months to 2 years with ONE ear involved and only mild symptoms, or kids over 2 years with mild symptoms in one or both ears
·Tympanostomy tubes (tiny plastic or metal tubes surgically placed through the eardrum) for children with recurrent infections (≥3 episodes in 6 months or ≥4 in 12 months) or fluid that won't clear for 3+ months with hearing loss
·Single-dose ceftriaxone injection (50 mg/kg, up to 1 gram) if the child is vomiting and can't keep oral medicine down, or when you're unsure the family can give pills at home
·Adenoidectomy (surgical removal of the adenoids, spongy tissue at the back of the nose) in children with recurrent ear infections who also have large adenoids blocking the eustachian tube opening

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NCLEX trap

·Not every ear infection needs antibiotics right away. For kids 6 months to 2 years old with one ear involved and mild symptoms, or kids over 2 years old with mild ear pain or fever under 102.2°F, the guideline says to watch and wait for 48–72 hours. Many middle ear infections clear up on their own. Give pain relief (acetaminophen or ibuprofen) first, then start antibiotics only if the child gets worse or does not improve in 2–3 days. This avoids unnecessary drugs and helps prevent germs from becoming resistant to antibiotics.
·A red eardrum can happen for many reasons—crying, a cold virus, or just irritation. The real signs of a true middle ear infection are a bulging eardrum (pushed out because fluid is trapped behind it), thick fluid you can see behind the drum, or pus draining from the ear. Redness alone is not enough. Always look for fluid and bulging before deciding on antibiotics.
·Even when pain stops, the infection may still be alive in the middle ear. The full course is usually 10 days for children under 2 years old or for severe infections, and 5–7 days for older children with mild cases. Stopping early lets bacteria survive, and the infection can come back stronger or become resistant to the medicine. Always finish the full course your doctor prescribed.
·Ear tubes are not a first step—they are for children who have had three or more proven infections in 6 months, or four or more in 12 months, AND the infections keep causing problems or hearing loss. Most kids outgrow ear infections as they get older and their ear tubes (the Eustachian tubes inside the ear) grow and work better. Tubes are a surgery, so doctors try watching and managing infections first. If infections keep coming back and affecting hearing or development, then tubes may help by letting fluid drain out.

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