Ear Pressure on Planes: Barotrauma and How to Equalize

Aeroplane ear — barotrauma of the middle ear — happens when the Eustachian tube cannot admit air into the middle ear fast enough to match rising cabin pressure during descent. The eardrum is pulled inward, which causes fullness, muffled hearing and pain. Ascent rarely causes trouble because expanding air vents outward on its own; descent requires active equalising, which is why it accounts for the overwhelming majority of cases. The single most effective prevention is starting to equalise at the beginning of the descent rather than when the pain begins.

Most cases resolve within hours. A minority do not, and knowing which is which is the useful part.

The mechanism, in one paragraph

The middle ear is a sealed air-filled cavity behind the eardrum. Its only connection to the outside world is the Eustachian tube, a narrow passage running to the back of the nose that is normally closed and opens briefly when you swallow, yawn or move your jaw. For the eardrum to sit neutral, the pressure inside the middle ear must match the pressure outside it.

On climb, cabin pressure falls. The air already in the middle ear is now at higher pressure than the cabin, so it pushes outward through the Eustachian tube. Positive pressure forces the passage open. This mostly happens without you doing anything, which is why the ears pop on their own during ascent.

On descent, cabin pressure rises. Now the middle ear is at lower pressure than the cabin, and air needs to flow inward. The soft tissue of the tube tends to be pressed shut by the higher outside pressure rather than pushed open — a one-way behaviour that engineers would call a flutter valve. Getting air in requires the muscles of swallowing to actively open the tube. If the tube is swollen from a cold, allergy or sinus infection, it may not open at all.

Once the differential reaches roughly 60 hectopascals, the eardrum is under real tension and pain begins. Beyond about 100 to 130 hectopascals, the tube can lock shut and simple swallowing stops working entirely.

The stages of barotrauma

Clinicians grade middle ear barotrauma by what the eardrum looks like, and the ladder is worth knowing because it maps onto how you feel.

Mild. Fullness, a sensation of blockage, slightly muffled hearing. The eardrum is retracted but intact. Usually resolves within a few hours.

Moderate. Real pain, noticeably reduced hearing, sometimes a popping or crackling sound. The eardrum is inflamed and may show small haemorrhages. Resolves over a day or two.

Severe. Intense pain, significant hearing loss, sometimes fluid or blood collecting in the middle ear. Can take one to two weeks to settle and often warrants medical review.

Perforation. The eardrum tears. Paradoxically, the pain often eases sharply at the moment it happens because the pressure equalises. Hearing is reduced and there may be discharge. Most small perforations heal on their own within weeks, but this needs assessment.

There is also inner ear barotrauma, which is rarer and more serious. It presents with vertigo, ringing, and hearing loss that does not improve, and it should be treated as urgent.

Equalising techniques, ranked by safety

Swallowing, yawning and jaw movement. The safest and most physiological approach, because it opens the tube the way your body normally does. Chewing gum, sipping a drink or deliberately exaggerating a yawn all work. Do this repeatedly from the very start of descent.

The Toynbee manoeuvre. Pinch your nose closed and swallow. This combines the muscular opening of swallowing with a pressure change that helps air move inward. Gentle, effective and appropriate for repeated use.

The Frenzel manoeuvre. Pinch the nose and use the tongue to push air backward and upward against the closed throat. Divers learn it because it is controllable and does not involve chest pressure. Harder to learn, but very safe once you have it.

The Valsalva manoeuvre. Pinch the nose, close the mouth, and blow gently. Effective and widely known, but it is the one that carries risk. Forceful blowing can drive infected mucus from the nose into the middle ear, and in rare cases has caused inner ear injury. If you use it, use light pressure and repeat it often rather than pushing hard once.

Pressure-equalising earplugs. These contain a ceramic filter that slows the rate at which pressure reaches the eardrum, giving the tube more time. Evidence is mixed, but they are inexpensive and carry no real downside.

The universal principle across all of these: start early. Equalising every minute or two from the top of descent is far easier than trying to rescue an ear that has already locked.

Children

Children get aeroplane ear more often than adults, for anatomical reasons. Their Eustachian tubes are shorter, narrower and more horizontal, which makes them both easier to block and harder to drain. They also cannot follow instructions to equalise.

The practical answer is to make them swallow. For infants, feeding or a dummy during descent works well. For toddlers, a drink through a straw or a snack to chew. Older children can be taught to blow gently against a pinched nose, or to blow up a balloon, which produces a similar effect and is more fun.

Waking a sleeping child for the descent is generally the right call, uncomfortable as that sounds. Sleeping through descent is the most common route to a screaming landing.

When ear pain needs a doctor

Most cases settle. Seek medical review if any of these apply:

• Pain or blocked hearing that has not improved after two to three days
• Any hearing loss you would describe as significant, or that is not improving
• Vertigo, spinning, or ringing that persists after the flight
• Fluid or blood coming from the ear
• Fever, which suggests infection rather than pure barotrauma
• Repeated episodes on every flight, which may indicate chronic Eustachian tube dysfunction worth investigating

Chronic Eustachian tube dysfunction has real treatments, including nasal steroids, allergy management and in some cases balloon dilation of the tube. If flying reliably damages your ears, it is worth having the underlying problem looked at rather than accepting it.

The connection to weather sensitivity

A flight compresses a pressure change into twenty minutes that weather would take days to deliver. But the mechanism is the same one, and people who struggle to equalise on planes often report ear fullness during rapid weather changes on the ground as well — particularly with fast-moving fronts and deepening coastal storms.

That is not universal, and the effect on the ground is far smaller. But if you notice ear symptoms during storms as well as flights, it is worth logging both. Somewhere like East Rochester, New York, where lake-effect setups follow sharp frontal passages and fast pressure rises, gives you plenty of natural events to compare against.

FAQ

Why does only one ear hurt?

Eustachian tubes are not symmetrical, and one side is often narrower or more congested than the other. One-sided symptoms are entirely normal.

Should I avoid flying with a cold?

If you can reschedule, yes. Congestion is the main cause of failed equalisation, and flying congested raises the risk of moderate or severe barotrauma rather than just discomfort.

Do decongestants work?

A nasal decongestant spray about thirty minutes before descent, or an oral one about an hour before, has reasonable support for people with a history of ear problems. They are not for routine use and have contraindications — ask a pharmacist first.

How long does blocked hearing last?

Mild cases clear in hours. Moderate cases in one to three days. If fluid has collected behind the eardrum it can take a couple of weeks, and that is worth having checked.

Is it safe to fly with grommets or a perforated eardrum?

Usually yes, and often more comfortable, because the pressure equalises through the opening rather than needing the Eustachian tube. Get individual advice from your ENT team.

Can I prevent it entirely?

Not always. But treating congestion beforehand, equalising from the start of descent, and staying awake during descent will prevent the large majority of cases.

The short version

Aeroplane ear is a descent problem caused by a Eustachian tube that cannot let air in fast enough. Start equalising at the top of the descent, use swallowing and the Toynbee manoeuvre rather than forceful blowing, avoid flying congested where you can, and keep children swallowing. If pain, hearing loss or vertigo persists beyond a couple of days, get it looked at.

Want to see whether pressure changes affect you on the ground too? Track it with Pressure Pal.