How long do antibiotics take to work ear infection

Ear infections are very common, particularly in children. You do not always need to see a GP for an ear infection as they often get better on their own within 3 days.

Check if it's an ear infection

The symptoms of an ear infection usually start quickly and include:

  • pain inside the ear
  • a high temperature
  • being sick
  • a lack of energy
  • difficulty hearing
  • discharge running out of the ear
  • a feeling of pressure or fullness inside the ear
  • itching and irritation in and around the ear
  • scaly skin in and around the ear

Young children and babies with an ear infection may also:

  • rub or pull their ear
  • not react to some sounds
  • be irritable or restless
  • be off their food
  • keep losing their balance

Most ear infections clear up within 3 days, although sometimes symptoms can last up to a week.

If you, or your child, have a high temperature or you do not feel well enough to do your normal activities, try to stay at home and avoid contact with other people until you feel better.

Differences between inner, middle and outer ear infections

Differences between middle and outer ear infections

Inner ear infectionMiddle ear infection (otitis media)Outer ear infection (otitis externa)
Can affect both children and adults Usually affects children Usually affects adults aged 45 to 75
Caused by viral or bacterial infections Caused by viruses like colds and flu Caused by something irritating the ear canal, such as eczema, water or wearing earplugs
Affects parts of the inner ear like the labyrinth and vestibular system, and can lead to labyrinthitis Affects the eustachian tube, which connects the middle ear (area behind the eardrum) to the back of the nose Affects the ear canal (the tube between the outer ear and the eardrum)

How to treat an ear infection yourself

To help relieve any pain and discomfort from an ear infection:

Do

  • use painkillers such as paracetamol or ibuprofen (children under 16 should not take aspirin)

  • place a warm or cold flannel on the ear

  • remove any discharge by wiping the ear with cotton wool

Don’t

  • do not put anything inside your ear to remove earwax, such as cotton buds or your finger

  • do not let water or shampoo get in your ear

  • do not use decongestants or antihistamines – there's no evidence they help with ear infections

A pharmacist can help with an ear infection

Speak to a pharmacist if you think you have an outer ear infection.

They can recommend acidic eardrops to help stop bacteria or fungus spreading.

Find a pharmacy

Non-urgent advice: See a GP if you or your child have:

  • a very high temperature or feel hot and shivery
  • earache that does not start to get better after 3 days
  • swelling around the ear
  • fluid coming from the ear
  • hearing loss or a change in hearing
  • other symptoms, like being sick, a severe sore throat or dizziness
  • regular ear infections
  • a long-term medical condition – such as diabetes or a heart, lung, kidney or neurological disease
  • a weakened immune system – because of chemotherapy, for example

What happens at your appointment

The GP will often use a small light (an otoscope) to look in the ear.

Some otoscopes blow a small puff of air into the ear. This checks for blockages, which could be a sign of an infection.

Treatment from a GP

The GP may prescribe medicine for your ear infection, depending on what's caused it.

Infections inside the ear

Antibiotics are not usually offered because infections inside the ear often clear up on their own and antibiotics make little difference to symptoms, including pain.

Antibiotics might be prescribed if:

  • an ear infection does not start to get better after 3 days
  • you or your child has any fluid coming out of the ear
  • you or your child has an illness that means there's a risk of complications, such as cystic fibrosis

They may also be prescribed if your child is less than 2 years old and has an infection in both ears.

If antibiotics are not prescribed, eardrops containing a painkiller and an anaesthetic might be prescribed.

Outer ear infections

The GP might prescribe:

  • antibiotic eardrops – to treat a bacterial infection
  • steroid eardrops – to bring down swelling
  • antifungal eardrops – to treat a fungal infection
  • antibiotic tablets – if your bacterial infection is severe

If you have a spot or boil in your ear, the GP may pierce it with a needle to drain the pus.

Eardrops may not work if they're not used correctly.

How to use eardrops

  1. Remove any visible discharge or earwax using cotton wool.
  2. Hold the bottle in your hand to warm it. Cold eardrops can make you feel dizzy.
  3. Lie on your side with the affected ear facing up to put the drops in.
  4. Gently pull and push your ear to work the drops in.
  5. Stay lying down for 5 minutes so the drops do not come out.

Preventing ear infections

You cannot always prevent ear infections, particularly inner ear infections caused by colds and flu.

To help avoid inner ear infections:

  • make sure your child is up to date with vaccinations
  • keep your child away from smoky environments
  • try not to give your child a dummy after they're 6 months old

To help avoid outer ear infections:

  • do not stick cotton wool buds or your fingers in your ears
  • use earplugs or a swimming hat over your ears when you swim
  • try to avoid water or shampoo getting into your ears when you have a shower or bath
  • treat conditions that affect your ears, such as eczema or an allergy to hearing aids

Page last reviewed: 16 June 2021
Next review due: 16 June 2024

How do you know if antibiotics are working for ear infection?

Your doctor can look inside the ears during a follow-up visit. They'll determine whether the infection has cleared up. To help ease the pain, your doctor may recommend acetaminophen (Tylenol) or ibuprofen (Advil, Motrin). Ibuprofen is not recommended for children who are younger than 6 months, however.

What happens if your ear infection won't go away with antibiotics?

So, it's important to see the doctor if symptoms remain after finishing the antibiotics. They'll likely want to take a look in your ear and learn more about your symptoms. Depending on your symptoms, your doctor may recommend you see an ear, nose and throat (ENT) doctor.

How long does amoxicillin take for ear infection?

In about half of all cases, an ear infection resolves itself without any need for medication. However, in the majority of cases children need an antibiotic, usually amoxicillin, for a course of 10 days. The drug starts to work within a day or so.