The nose and ear are closely connected
Many people are surprised that a simple cold can affect their ears. The reason lies in the connection between the nose and the middle ear through a small channel called the Eustachian tube.
This tube helps regulate pressure and allows air to move between the nose and the ear. When everything functions normally, you do not notice it.
What happens during a cold
During a cold, the lining of the nose becomes inflamed and swollen. This inflammation can block the opening of the Eustachian tube.
As a result, air cannot move freely into the middle ear. This creates a pressure imbalance, leading to the sensation of fullness or blockage in the ear.
Some people may also notice mild hearing reduction or a popping sensation.
Why the ear feels blocked or muffled
When the pressure inside the middle ear cannot equalise, the eardrum does not move as efficiently. This affects how sound is transmitted.
The result is a muffled or blocked sensation. Some people describe it as hearing underwater or having cotton in the ear.
This feeling can come and go depending on how the tube opens and closes.
How long does it usually last
In most cases, the blocked ear sensation improves as the cold resolves. This usually takes a few days to one to two weeks.
The Eustachian tube gradually reopens as swelling reduces. Simple measures such as swallowing, yawning, or gentle pressure equalisation can help.
Staying hydrated and managing nasal symptoms also speeds up recovery.
When should you be concerned
You should seek medical attention if:
- The blocked feeling persists beyond a few weeks
- There is significant hearing loss
- Pain, dizziness, or discharge develops
These may indicate complications such as fluid build-up or infection in the middle ear.
Key takeaway
Blocked ears during a cold are common and usually temporary. They occur because nasal inflammation affects the Eustachian tube and disrupts pressure balance. Most cases improve on their own, but persistent symptoms should not be ignored, especially if hearing changes or discomfort worsen over time.
Reviewed by Dr Ameen, ENT Specialist Kuala Lumpur
Dr. Ameen, ENT Specialist in Kuala Lumpur 
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