The most telling sign of an ear infection is a persistent ache or feeling of pressure deep inside your ear, often alongside muffled hearing or a fever. These symptoms usually show up during or just after a cold, sinus infection, or bout of allergies. If you’re experiencing that combination, an ear infection is a strong possibility.
Main Symptoms in Adults
Adult ear infections tend to produce a short list of noticeable symptoms: pain or pressure inside the ear, difficulty hearing clearly, and sometimes fluid draining from the ear canal. The pain often feels dull and constant rather than sharp, though it can intensify when you lie down or swallow. You might also notice a feeling of fullness, as if your ear is stuffed with cotton.
Fever is less common in adults than in children, but it does happen. If your temperature climbs alongside ear pain, that’s a strong signal that infection is involved rather than simple congestion.
Signs to Watch for in Children
Kids get ear infections far more often than adults, and they can’t always describe what they’re feeling. The classic behavioral clue is tugging, pulling, or rubbing at one ear. Beyond that, watch for crying more than usual, trouble sleeping, fussiness, loss of appetite, and difficulty responding to sounds or voices. Some children lose their balance or seem clumsier than normal.
Fever is more common in children with ear infections. A temperature of 102.2°F (39°C) or higher, especially lasting 48 hours or more, often pushes doctors toward prescribing antibiotics rather than waiting. For babies under 3 months, any fever of 100.5°F (38°C) or above warrants an immediate call to your pediatrician. And any child with a temperature over 104°F (40°C), severe ear pain, or a stiff neck needs urgent medical attention.
Why Ear Infections Happen
Each of your ears has a narrow tube connecting the middle ear to the back of your throat. These tubes drain fluid and equalize pressure. When they swell shut from a cold, allergies, sinus infection, or even acid reflux, fluid gets trapped behind the eardrum. Bacteria or viruses thrive in that warm, stagnant fluid, and the result is an infection.
Children are more vulnerable because their tubes are shorter, narrower, and more horizontal than an adult’s, making them easier to block. That’s why ear infections so often follow a runny nose or daycare cold in young kids.
Middle Ear vs. Outer Ear Infections
Not all ear infections are the same. The most common type, a middle ear infection, causes deep internal pain and often follows a respiratory illness. An outer ear infection (sometimes called swimmer’s ear) affects the ear canal itself, the passage between your outer ear and the eardrum. It typically causes pain when you tug on your earlobe or press on the small flap at the front of your ear, along with itching, redness, and sometimes swelling of the canal.
The distinction matters because treatments differ. If your pain gets worse when you pull on your ear or push on the outside, you’re more likely dealing with an outer ear infection. If the pain is deep, steady, and came on during a cold, a middle ear infection is the more likely culprit.
What Happens at the Doctor’s Office
A doctor diagnoses an ear infection by looking at your eardrum with a handheld light called an otoscope. They’re checking for specific visual changes: a healthy eardrum is thin, translucent, and slightly pearly. An infected one looks red, swollen, and bulges outward from pressure behind it. In some cases, the normal landmarks on the eardrum disappear entirely because of how inflamed and distended it becomes.
Your doctor may also use a small puff of air to see how the eardrum moves. A healthy eardrum flexes easily. One backed by trapped fluid barely moves at all. That combination of visible bulging plus restricted movement is the clearest confirmation of a middle ear infection.
There’s also a related condition where fluid sits behind the eardrum without active infection. This doesn’t cause fever or significant pain, but it can muffle your hearing for weeks. It sometimes lingers after an infection has cleared.
How Hearing Is Affected
Muffled or reduced hearing during an ear infection is normal and usually temporary. Fluid behind the eardrum physically blocks sound vibrations from traveling efficiently to your inner ear. The hearing loss ranges from mild to moderate, roughly like having a good earplug in one ear. In most cases, hearing returns to normal once the fluid drains and the infection resolves. Persistent fluid can delay that recovery by weeks, but treatment generally corrects it.
Do You Always Need Antibiotics?
Many mild ear infections clear up on their own. Current guidelines support a “watchful waiting” approach for 2 to 3 days before starting antibiotics, particularly in older children and adults with mild symptoms. During that window, over-the-counter pain relief and warm compresses can manage discomfort while your immune system works.
Antibiotics are more likely to be recommended right away for children under 6 months, kids with moderate to severe symptoms lasting at least 48 hours, anyone with a high fever, or cases where both ears are infected. For adults, a doctor may prescribe antibiotics if symptoms aren’t improving after a few days or if the infection looks particularly aggressive on exam.
Symptoms That Need Urgent Attention
Most ear infections resolve without complications, but in rare cases the infection can spread to the bone behind the ear, a condition called mastoiditis. Warning signs include swelling, redness, or tenderness of the bone behind the ear, a high fever that won’t come down, the ear visibly pushing forward, and worsening pain despite treatment. Untreated mastoiditis can lead to serious problems including hearing loss, facial nerve damage, and in extreme cases, infections that reach the brain.
Fluid draining from the ear can look alarming, but it usually means the eardrum has developed a small tear from pressure buildup. These tears typically heal on their own within a few days. The pain often actually improves once the fluid drains because pressure is released. Still, visible drainage is worth a doctor visit to confirm the infection is being managed properly.