Hearing Loss After a Cold or Flu

It's common to experience muffled or reduced hearing during or after a cold, flu, or upper respiratory infection. While this is usually temporary, understanding the cause can help you know when to wait it out and when to seek help.

Why colds affect your hearing

Your ears, nose, and throat are closely connected. When you have a cold or flu:

• The eustachian tubes — which connect the middle ear to the back of the throat — can become blocked by mucus and swelling
• This prevents the middle ear from ventilating and equalising pressure properly
• Fluid may accumulate behind the eardrum
• The result is a feeling of fullness, pressure, and muffled hearing

How long does it last?

Hearing difficulties associated with a cold or flu typically resolve within 1–2 weeks of the infection clearing. If the eustachian tubes remain blocked, it may take longer. In most cases, hearing returns to normal without any treatment.

Home remedies

To help relieve ear congestion after a cold:

• Stay hydrated — helps thin mucus
• Steam inhalation — can help clear congestion
• Decongestant nasal sprays — short-term use (max 7 days) to reduce swelling
• Swallowing and yawning — helps open the eustachian tubes
• Valsalva manoeuvre — gently blowing with your nose pinched shut (avoid if you have an active ear infection)

When to see a doctor

See your GP if:

• Hearing loss persists for more than 2–3 weeks after the cold has resolved
• You have significant hearing loss in one or both ears
• There is ear pain, discharge, or fever
• You experience dizziness or vertigo
• The hearing loss came on suddenly rather than gradually with the cold

Complications to watch for

Occasionally, a cold can lead to complications such as:

• Middle ear infection (otitis media) — may need antibiotics
• Glue ear — persistent fluid behind the eardrum, more common in children
• Labyrinthitis — viral infection of the inner ear causing hearing loss and vertigo, requiring prompt medical attention