Most ear infections in the United States are middle ear infections, and most of them get better without antibiotics. When a prescription is needed, amoxicillin is the standard first choice for children and adults. Pain relief matters just as much as the antibiotic decision, and in many cases it is the only treatment required.
That is the short answer. The longer one depends on the type of ear infection, the person’s age, how severe the symptoms are, and whether the infection is in the middle ear or the outer ear canal. Those distinctions change the treatment completely.
What Is Prescribed For An Ear Infection?
Amoxicillin is the most commonly prescribed antibiotic for acute otitis media — the medical term for a middle ear infection. It is recommended as first-line therapy in widely used clinical guidelines for children, and it remains standard practice for adults as well.
For people allergic to penicillin, alternatives include cefdinir, cefuroxime, or azithromycin, depending on the type of reaction. A severe penicillin allergy requires a different approach than a mild rash, and clinicians weigh that carefully.
When amoxicillin fails or the infection is severe, high-dose amoxicillin-clavulanate is often the next step. This combination covers bacteria that produce enzymes capable of breaking down plain amoxicillin.
Outer ear infections — sometimes called swimmer’s ear — are treated differently. These get antibiotic ear drops, not oral antibiotics. Common options include ofloxacin or ciprofloxacin drops. Oral antibiotics generally do not reach the ear canal in useful concentrations, which is why drops are used instead.
One point that surprises many people: not every ear infection needs an antibiotic at all. More on that below.
When Are Antibiotics Actually Needed?
Clinical guidelines for children recommend immediate antibiotics only in specific situations. These include infants under 6 months, severe symptoms such as moderate to severe ear pain or fever of 39°C (102.2°F) or higher, and certain cases with fluid draining from the ear.
For children older than 6 months with mild symptoms, guidelines support either antibiotics or a “watchful waiting” approach — observing for 48 to 72 hours to see whether symptoms improve on their own. This is not neglect. Many middle ear infections clear without treatment.
The reasoning behind watchful waiting is straightforward. Most acute middle ear infections in children are caused by viruses or by bacteria that the immune system can handle. Overusing antibiotics drives resistance and exposes people to side effects they do not need.
Watchful waiting works best when there is a clear plan for follow-up and easy access to care if symptoms worsen. It is a decision made with a clinician, not a do-it-yourself strategy.
For adults, the picture is less standardized. Some clinicians treat adult middle ear infections with antibiotics more readily, while others take a similar wait-and-see approach for mild cases. The evidence base for adults is thinner than for children.
What About Pain Relief?
Pain control is a core part of ear infection treatment, not an afterthought. Ibuprofen and acetaminophen are the standard options for ear pain and fever. Both are available over the counter.
For children, weight-based dosing matters, and the label or a pharmacist should guide it. Aspirin should not be given to children or teenagers because of the risk of Reye’s syndrome, a rare but serious condition.
Some clinicians recommend benzocaine ear drops for short-term pain relief in older children and adults with an intact eardrum. These drops should not be used if the eardrum may be ruptured or if ear tubes are present. They are also not appropriate for infants.
Warm compresses and keeping the head elevated can help with comfort. These are supportive measures, not treatments for the infection itself.
How Long Does Treatment Take?
Antibiotic courses for middle ear infections are typically 5 to 10 days. Younger children and those with more severe infection often get longer courses. Older children with mild illness may do well with shorter ones.
Ear pain usually starts improving within 24 to 48 hours of starting an antibiotic, if the antibiotic is going to work. Fever typically resolves in a similar window. Fluid behind the eardrum can persist for weeks or even months after the infection clears, and that lingering fluid does not necessarily mean treatment failed.
If symptoms are not improving after 48 to 72 hours, that is a reason to check back with a clinician. It may mean a different antibiotic is needed, or that something else is going on.
For outer ear infections treated with drops, symptoms often improve within a few days, but completing the full course matters. Stopping early can allow the infection to return.
What If It Is Not a Middle Ear Infection?
Ear pain does not always mean infection. This distinction shapes treatment more than most people realize.
Outer ear infections involve the canal and are treated with drops, as noted. They often follow swimming or inserting objects into the ear. Pain when the outer ear is pulled or pressed is a common sign.
Ear pain can also come from a cold, sinus pressure, teething, jaw problems, or throat irritation — what clinicians call referred pain. In these cases antibiotics do nothing because there is no bacterial ear infection to treat.
Fluid behind the eardrum without signs of active infection is a separate condition. It is common after a cold or after an ear infection resolves. It usually does not need antibiotics. Persistent cases may need evaluation by an ear, nose, and throat specialist, especially if hearing is affected.
This is where a proper exam matters. A clinician looks at the eardrum to see whether it is bulging, red, or has fluid behind it. Visual appearance alone does not always confirm infection, but it is far more reliable than symptoms by themselves.
What About Prevention and Repeat Infections?
Some children get ear infections repeatedly, and that changes the conversation. Recurrent infections may prompt discussion of ear tubes — small cylinders placed in the eardrum to help fluid drain and reduce infection frequency. This is a surgical decision made with a specialist.
For prevention, the evidence supports a few practical measures. Breastfeeding in infancy is associated with fewer ear infections in some studies. Avoiding exposure to secondhand smoke helps. Keeping children up to date on vaccines, including pneumococcal and flu vaccines, is associated with reduced risk in some research.
Xylitol, a sugar alcohol, has been studied for ear infection prevention in children, with mixed results. It is not a standard recommendation.
For outer ear infections, keeping ears dry after swimming and avoiding cotton swabs inside the canal are reasonable steps. Cotton swabs can scratch the canal and create an opening for infection.
What Not to Do
Do not put anything into the ear canal unless a clinician recommends it. That includes home remedies, oils, and hydrogen peroxide. These can irritate the canal or, if the eardrum is ruptured, cause harm.
Do not pressure a clinician for antibiotics when the exam does not support one. This is a real driver of antibiotic resistance and unnecessary side effects.
Do not ignore worsening symptoms. Severe pain, high fever, swelling behind the ear, or drainage of pus or blood are reasons to seek care promptly. These can signal complications that need urgent evaluation.
Frequently Asked Questions
What antibiotic is prescribed for an ear infection?
Amoxicillin is the standard first-line antibiotic for middle ear infections in children and remains common for adults. Penicillin-allergic patients are usually given alternatives such as cefdinir or azithromycin.
Do all ear infections need antibiotics?
No. Many middle ear infections clear without antibiotics, and guidelines support watchful waiting for mild cases in children over 6 months. Severe symptoms, young infants, and certain other situations call for immediate treatment.
How long does an ear infection take to heal?
Pain and fever often improve within 24 to 48 hours of starting an antibiotic. Fluid behind the eardrum can last for weeks after symptoms resolve and does not always mean the infection is still active.
What is prescribed for swimmer’s ear?
Outer ear infections are treated with antibiotic ear drops, such as ofloxacin or ciprofloxacin, rather than oral antibiotics. Keeping the ear dry during treatment is part of standard care.

