About this symptom
Hearing loss can make speech difficult to understand, especially in noise. Some people notice one ear becoming muffled, while children may turn up devices or seem not to respond to speech.
What matters most
The speed of onset is crucial. Hearing that worsens gradually over months is assessed differently from a sudden loss over hours or days. Sudden hearing loss must not be dismissed as a simple earwax blockage.
Symptoms and reasons to seek help
Possible signs include asking others to repeat themselves, difficulty following conversations, muffled sound, ear fullness, tinnitus or dizziness. Pain and discharge may occur with some ear conditions, but their absence does not exclude inner-ear problems.
Distinguishing similar conditions
Wax or middle-ear inflammation can interfere with sound conduction. Sensorineural hearing loss affects the inner ear or hearing pathways and may not be visible during otoscopy. These types need different investigations and different urgency.
How clinicians investigate
The clinician asks when and how symptoms began, examines the ear canal and eardrum, and considers audiometry, tympanometry or additional referral. The choice of testing depends on clinical findings; not every test is available during an ordinary ENT appointment.
Care and important limitations
Treatment and rehabilitation depend on the cause and timing. Using ear drops without diagnosis may delay critical care. Persistent hearing changes should be reviewed even after an ear infection has apparently resolved.
When emergency help is needed
Sudden hearing deterioration in either ear requires urgent ENT or emergency assessment, ideally within 24 hours. If hearing loss accompanies facial weakness, speech difficulty, imbalance or another possible stroke sign, call 103 or 112 immediately.
Related information
Sensorineural hearing loss; Tinnitus (ringing in the ears); Earwax impaction.
Signs and symptoms
Possible signs include asking others to repeat themselves, difficulty following conversations, muffled sound, ear fullness, tinnitus or dizziness. Pain and discharge may occur with some ear conditions, but their absence does not exclude inner-ear problems.
Diagnosis and tests
The clinician asks when and how symptoms began, examines the ear canal and eardrum, and considers audiometry, tympanometry or additional referral. The choice of testing depends on clinical findings; not every test is available during an ordinary ENT appointment.
Care and treatment approaches
Treatment and rehabilitation depend on the cause and timing. Using ear drops without diagnosis may delay critical care. Persistent hearing changes should be reviewed even after an ear infection has apparently resolved.
When to seek urgent care
Sudden hearing deterioration in either ear requires urgent ENT or emergency assessment, ideally within 24 hours. If hearing loss accompanies facial weakness, speech difficulty, imbalance or another possible stroke sign, call 103 or 112 immediately.
Frequently asked questions
Can I wait if my ear simply feels blocked?
Not if the change in hearing was sudden. A medical examination is needed to exclude urgent sensorineural hearing loss.
Can every cause be seen by looking into the ear?
No. Problems affecting the inner ear or hearing nerve may require formal hearing tests.
Does hearing always return after an ear infection?
Not always. Some changes resolve, but persistent hearing difficulty needs reassessment.
Important information
A medical consultation is needed for diagnosis and treatment recommendations.
Self-treatment can be harmful to your health.