Ear pain usually comes from one of a handful of common causes: an infection in the ear canal or middle ear, pressure buildup from congestion, jaw problems, or even a dental issue sending pain signals toward your ear. Most ear pain resolves within a few days, but the cause determines whether you need treatment or just time.
Middle Ear Infections
A middle ear infection is the most common reason for sudden, intense ear pain, especially in children. It typically follows a cold or upper respiratory infection. Swelling and mucus block the narrow tube connecting your middle ear to the back of your throat, trapping fluid behind the eardrum. Bacteria or viruses multiply in that fluid, and pressure builds against the eardrum, causing a deep, throbbing ache.
Pain usually develops within 48 hours and can come with fever, muffled hearing, and a feeling of fullness. Young children often get nauseous, vomit, or develop diarrhea alongside the ear pain. If the pressure gets high enough, the eardrum can rupture on its own, releasing fluid or pus from the ear. That sounds alarming, but it actually relieves the pain quickly, and most ruptured eardrums heal without lasting damage.
Not every middle ear infection needs antibiotics. The CDC outlines a “watchful waiting” approach: children 6 months to 23 months old with infection in only one ear, mild pain, and a temperature under 102.2°F can be observed for two to three days before starting antibiotics. Children 2 and older with one or both ears affected can follow the same wait-and-see approach under the same conditions. This gives the immune system a chance to clear the infection on its own, which it often does.
Swimmer’s Ear (Outer Ear Infection)
If pulling on your outer ear or pressing the small flap in front of your ear canal (the tragus) makes the pain worse, the problem is likely in the ear canal itself rather than behind the eardrum. This is swimmer’s ear, an infection of the skin lining the canal. Water exposure is the classic trigger because moisture softens the canal’s protective skin barrier and lets bacteria in, but anything that irritates the canal (earbuds, hearing aids, aggressive cleaning) can do the same.
Early signs include mild discomfort, slight redness inside the ear, and clear fluid drainage. As the infection progresses, the canal swells, partially or completely blocking it. You may notice redness or swelling of the outer ear, thicker discharge, and swollen lymph nodes in the neck. Unlike a middle ear infection, swimmer’s ear rarely causes fever unless it becomes severe. Treatment typically involves prescription ear drops that clear the infection within a week.
Pressure Problems From Eustachian Tube Dysfunction
Your eustachian tubes are narrow passages connecting each middle ear to the back of your throat. They open briefly every time you swallow or yawn, equalizing air pressure and draining fluid. When they stay blocked, usually from allergies, a cold, or sinus congestion, pressure builds in the middle ear. The result is a dull ache, a plugged or full sensation, and sometimes muffled hearing that comes and goes.
You can often relieve this type of ear pain yourself. Chewing gum, yawning, or swallowing repeatedly encourages the tubes to open. The Valsalva maneuver (breathing out firmly with your mouth closed and nostrils pinched) can pop the pressure. A saline nasal spray helps clear congestion at the tube opening. If you fly frequently or deal with chronic congestion, balloon devices like the Otovent can help train the tubes to open more reliably.
Jaw and Dental Problems
Your ear pain might not be coming from your ear at all. The jaw joint sits directly in front of the ear canal, so close that inflammation there sends pain straight into the ear. Jaw joint disorders cause a deep ache around or in front of the ear, often accompanied by clicking or popping when you open your mouth, difficulty opening wide, or a grinding sound. Teeth grinding at night, excessive gum chewing, arthritis, or a misaligned bite can all trigger it. A mouthguard worn during sleep is one of the most effective treatments when nighttime grinding is the cause.
Dental infections are another overlooked source of ear pain. Cavities, abscesses, and gum disease in the upper back teeth can radiate pain to the ear on the same side. If your ear looks normal but you also have tooth sensitivity, facial swelling, or gum tenderness, a dentist may solve the problem faster than anything you do for your ear.
Earwax Buildup
Earwax normally works its way out of the canal on its own, but when it builds up and hardens, it can press against the canal walls or eardrum and cause pain, fullness, muffled hearing, ringing, or itchiness. Some people naturally produce more wax, and hearing aid or earbud users are particularly prone to blockages because the devices push wax deeper.
Cotton swabs are the most common culprit behind impacted wax, and they make the problem worse in two ways. They push wax deeper toward the eardrum, and they stimulate tiny hairs in the canal that signal the glands to produce even more wax. You should never put cotton swabs or any other object into your ear canal. Over-the-counter ear drops designed to soften wax, or a gentle warm water rinse with a bulb syringe, are safer options. Stubborn blockages can be removed by a clinician in a quick office visit.
Ear Pain in Babies and Toddlers
Children who can’t tell you their ear hurts show it through behavior. The most recognizable sign is tugging or pulling at the ear, though babies under one may hit the side of their head instead because they can’t pinpoint where the pain is coming from. Other signals include unusual fussiness or crying, difficulty sleeping (lying flat shifts pressure in the middle ear and worsens the pain), not responding to sounds the way they normally would, loss of balance or new clumsiness, and a drop in appetite since chewing and swallowing change the pressure in the ear.
For pain relief while you monitor symptoms, acetaminophen is safe for all ages including infants. Ibuprofen can be used for children 6 months and older and may work better when inflammation is driving the pain, since it targets swelling directly. Follow the dosing instructions on the package carefully, as excessive acetaminophen can cause liver damage.
Signs That Need Prompt Attention
Most ear pain is uncomfortable but not dangerous. A few patterns, however, warrant a same-day or urgent visit: sudden hearing loss in one ear, bleeding or pus draining from the ear, facial weakness or drooping on the side of the ear pain, severe headache with confusion or neurological changes, swelling or redness behind the ear over the bone (which can indicate a spreading infection), and high fever that doesn’t respond to over-the-counter medication. Pulsatile tinnitus, a rhythmic whooshing sound that matches your heartbeat in one ear, is also worth getting checked out promptly since it can signal a vascular issue rather than a simple infection.