If an ear feels blocked after flying, a cold or swimming, the cause is often earwax or pressure changes in the middle ear. The sensation can be pressure, muffled hearing, echoing of your own voice or a feeling that the ear will not open when you swallow.
The first practical step is to think about what happened just before the symptom started. That often points to the likely cause.
What can cause the blocked feeling#
An earwax plug blocks the ear canal mechanically. Sound then does not reach the eardrum normally, and hearing feels dull. The symptom can become more obvious after water exposure because wax can swell and seal the canal more tightly.
In a cold, the problem is often different. The blockage is not in the ear canal but in the pressure system behind the eardrum. Swollen nasal and throat tissues can interfere with the eustachian tube. Then the ear may crackle, pop or feel like it opens and closes again.
Pressure changes can create the same feeling. Descent in an aircraft, diving and rapid changes in altitude all require pressure equalisation. If the eustachian tube does not open well, the pressure is felt as pain or blockage.
What can help at home#
If you feel otherwise well and the ear is not painful, the situation can often be followed calmly. When a cold is involved, easing nasal blockage may also help the ear pressure. Saline rinses, a warm shower and gentle nose blowing are often enough.
Swallowing, yawning and chewing gum can help equalise pressure. Try them gently. Forceful nose blowing is not a good idea if it hurts or if the ear is clearly painful.
If the problem seems to be wax, an earwax softener may help if used according to the package instructions. Do not dig in the ear with cotton buds or other objects. That often pushes wax deeper and irritates the canal.
What the symptom can mean for hearing#
Blocked sensation and muffled hearing can feel worrying, but the cause is often temporary. Wax, pressure and fluid after a cold can all reduce hearing for a while. What matters is whether the change was sudden and clear or whether it fits a cold or pressure change.
Sudden hearing loss without a typical cold pattern is different from slowly developing blockage. That should not be left waiting. The same applies if the blocked ear comes with severe vertigo, new ringing or facial symptoms.
What happens during travel#
During a flight, blocked ears often happen on descent. Swallowing, yawning and drinking help many people. For a child, drinking or using a pacifier can support pressure equalisation because swallowing opens the eustachian tube.
If you have a cold, it is better to avoid diving. Pressure changes in diving are rapid, and swollen tissues can prevent the ear from equalising pressure. If severe pain, hearing loss or ear discharge follows a flight or dive, the situation needs assessment.
When to seek care#
Seek care if the ear is very painful, if there is discharge, if hearing drops suddenly or if severe vertigo appears. Also seek care if the ear blocked after diving or a pressure injury, if the symptom lasts more than a week, or if a child has fever and clear illness with the blockage.
Further reading and sources#
Further reading: