Why Ear Pain Happens: Understanding Infections and Irritations
Almost everyone experiences ear pain at some point in their lives. For some, it may be a fleeting discomfort after a long flight. For others, it could be a sign of an underlying ear infection that needs medical care. Ear pain, or otalgia, can range from a mild ache to severe pain that disrupts daily life.
UPDATED ON OCTOBER 23, 2025 • REVIEWED BY DR. DENNIS CHUA
Key Takeaways
- Ear pain, or otalgia, may arise from the ear itself or be referred from the nose, throat, teeth or jaw.
- Common causes include swimmer’s ear and middle-ear infections, particularly in children.
- Sometimes the pain is referred from elsewhere, such as tonsillitis, dental problems like wisdom teeth, or jaw joint (TMJ) disorders.
- Seek medical attention for worsening pain, fever, ear discharge, sudden hearing loss or severe dizziness.
- Avoid inserting cotton buds or sharp objects into the ear canal, as this can push wax deeper or injure the eardrum, and let earwax clear naturally.
Anatomy of the Ear: Why It’s Prone to Pain
- Outer ear: the visible ear and the canal leading to the eardrum
- Middle ear: the space behind the eardrum containing tiny bones that transmit sound
- Inner ear: responsible for hearing and balance
These structures are closely connected to the nose and throat through the Eustachian tube, which helps equalise pressure. Because of this connection, conditions like throat infections or sinus congestion can also trigger ear discomfort. Even minor issues such as a blocked Eustachian tube can cause noticeable pain or pressure in the ear.
Common Causes of Ear Pain
1. Ear Infections (Otitis)
One of the most frequent causes of ear pain is infection. These can occur in different parts of the ear:
- Outer ear infection (otitis externa): Often called swimmer’s ear, this occurs when bacteria or fungi grow in the ear canal, usually after water exposure. Symptoms may include itching, swelling, and pain when pulling on the ear.
- Middle ear infection (otitis media): Common in children due to narrower Eustachian tubes. Fluid builds up behind the eardrum, leading to pressure and pain. Sometimes fever or irritability may accompany it.
- Inner ear infection (labyrinthitis or vestibular neuritis): Less common but more serious, affecting balance and sometimes hearing. It can cause dizziness, nausea, and ear pain.
2. Everyday Irritations
Not all ear pain is caused by infection. Other common triggers include:
- Outer ear infection (otitis externa): Often called swimmer’s ear, this occurs when bacteria or fungi grow in the ear canal, usually after water exposure. Symptoms may include itching, swelling, and pain when pulling on the ear.
- Middle ear infection (otitis media): Common in children due to narrower Eustachian tubes. Fluid builds up behind the eardrum, leading to pressure and pain. Sometimes fever or irritability may accompany it.
- Inner ear infection (labyrinthitis or vestibular neuritis): Less common but more serious, affecting balance and sometimes hearing. It can cause dizziness, nausea, and ear pain.
3. Referred Pain
Sometimes ear pain originates from another part of the body:
- Throat infections such as tonsillitis can radiate pain to the ear.
- Dental problems, like impacted wisdom teeth or tooth infections, may cause earache.
- Jaw joint (temporomandibular joint, TMJ) disorders can also be felt as pain in or around the ear.
This happens because the nerves in the head and neck are interconnected, so the brain may interpret pain from one area as coming from the ear. Schedule a consultation with ENT Specialist Dr Dennis Chua to find out more about the possible causes of ear pain.
Red Flags: When Ear Pain Needs Medical Attention
Mild earaches may resolve on their own, but some symptoms should never be ignored. Seek medical attention if you experience:
- Persistent or worsening pain that does not improve after a few days
- Fever alongside ear pain, which may indicate an infection
- Discharge (pus or fluid) from the ear
- Hearing loss, ringing, or dizziness associated with ear discomfort
- Ear pain in infants and young children, especially if it disrupts sleep or feeding
Recurrent or persistent earache in children may need review for paediatric ear conditions such as middle-ear fluid or repeated infections.
Dr Dennis Chua, ENT Specialist, notes, “Ear pain may seem minor at first, but when it persists or is accompanied by symptoms such as fever, hearing loss, or discharge, it’s important to consult a doctor.”
How Doctors Diagnose Ear Pain
Doctors typically start with a medical history and physical examination. Key steps may include:
- Otoscope examination: A small lighted instrument is used to look inside the ear canal and at the eardrum.
- Hearing tests: To check if hearing has been affected by the condition.
- Swabs or cultures: If infection is suspected, a sample may be taken to identify the cause.
- Imaging: Rarely, scans may be needed if complications are suspected.
This process helps distinguish whether the pain is due to infection, irritation, or referred pain.
Treatment Approaches
The treatment depends on the cause of the ear pain:
- For infections: A doctor may recommend medications such as antibiotic or antifungal drops if appropriate. Not all ear infections need antibiotics; some resolve on their own with careful monitoring.
- For blockages: Earwax can be safely removed by a healthcare professional using specialised tools or irrigation.
- For referred pain: Treating the underlying condition — such as a throat infection or dental issue — usually relieves the ear pain.
- For irritation: Avoiding the trigger (e.g. removing earbuds, protecting ears from cold wind) can help reduce symptoms.
It is important not to insert cotton buds or sharp objects into the ear canal, as this can push wax deeper or injure the eardrum. Similarly, self-medicating with antibiotics without proper diagnosis is not advisable.
Preventing Ear Problems
While not all ear pain can be avoided, some preventive steps can lower the risk:
- Practise safe ear hygiene: Let earwax clear naturally; avoid inserting objects into the ear canal.
- Keep ears dry: After swimming or bathing, dry ears gently with a towel.
- Protect against noise and pressure: Use earplugs in loud environments and chew or swallow during flights to ease pressure changes.
- Manage allergies and sinus issues: This can reduce the risk of fluid build-up in the middle ear.
When to See an ENT Specialist
An ENT (Ear, Nose, and Throat) specialist can help if ear pain is persistent, recurrent, or associated with complications such as hearing changes. ENT specialists are trained to diagnose and manage complex ear conditions that go beyond common irritations.
As Dr Chua explains: “Sometimes what feels like a simple earache could be linked to a deeper issue in the middle or inner ear. An ENT evaluation ensures that we address the root cause and prevent further complications.”
Ear pain has many possible causes — from simple irritations like earwax or pressure changes, to infections and even referred pain from the throat or teeth. While mild earaches may settle on their own, it is important to recognise red flags such as persistent pain, fever, discharge, or hearing loss.
Knowing when to seek medical help can make a difference in protecting ear health and overall well-being. If you or your child are experiencing concerning ear pain, a consultation with a healthcare professional can provide clarity and relief. Book a consultation with Dr Dennis Chua to learn more.
you may book a consultation with Dr Dennis Chua, an ENT specialist in Singapore.
He has completed his training in otorhinolaryngology locally and attained qualifications internationally.
About Dr Dennis Chua
Dr. Dennis Chua is an Ear, Nose and Throat (ENT) specialist with more than a decade of experience. He is held in high regard within the field of Otolaryngology, having published many articles in peer reviewed journals on the topic of ENT.
As an ENT Specialist in Singapore, Dr Dennis Chua is committed to providing thorough, patient-centred care for both adults and children. Whether you’re managing allergies, sinus problems, hearing issues, or throat concerns, we take time to understand your condition and guide you through your treatment options.
Explore More Topics
Nasendoscopy in Singapore: Cost, Procedure & What to Expect
Nasendoscopy in Singapore: What It Is, What to Expect, and Cost Nasendoscopy at a Glance…
Ear Wax Removal in Singapore: Methods, Cost, and When to See an ENT
Ear Wax Removal in Singapore: Methods, Cost, and When to See an ENT Learn about…
Tinnitus and Blocked Ears: Causes, Treatment, and When to See a Specialist
Tinnitus and Blocked Ears: Causes, Treatment, and When to See a Specialist Learn more about…