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</div><div><span>Ear infection - chronic</span></div></div>
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</noscript></div><div class="main"><div id="ency_summary"><p>Chronic ear infection is fluid, swelling, or an infection behind the eardrum that does not go away or keeps coming back. It may cause long-term or permanent damage to the ear. It often involves a hole in the eardrum that does not heal.</p><img title="Middle ear infection (otitis media)" alt="Middle ear infection (otitis media)" src="//medlineplus.gov/ency/images/ency/fullsize/19324.jpg" class="img-e" itemprop="image"/></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>Causes</h2></div><div class="section-button"><button type="submit" aria-controls="section-1" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-1"><p>The eustachian tube runs from the middle of each ear to the back of the throat. This tube drains fluid made in the middle ear. If the eustachian tube becomes blocked, fluid can build up. When this happens, infection can occur. A chronic ear infection develops when fluid or an infection behind the eardrum does not go away.</p><img title="Middle ear infection" alt="Middle ear infection" src="//medlineplus.gov/ency/images/ency/fullsize/19620.jpg" class="img-e" itemprop="image"/><p>A chronic ear infection may be caused by:</p><ul><li>An <a test="test" href="./000638.htm">acute ear infection</a> that does not completely go away</li><li>Repeated ear infections</li></ul><img title="Eustachian tube" alt="Eustachian tube" src="//medlineplus.gov/ency/images/ency/fullsize/19596.jpg" class="img-e" itemprop="image"/><p>Suppurative chronic otitis is a term used to describe an eardrum that keeps rupturing, draining, or swelling in the middle ear or mastoid area (the bone behind the ear) and does not go away.</p><p>Ear infections are more common in children because their eustachian tubes are shorter, narrower, and more horizontal than in adults. Chronic ear infections are much less common than acute ear infections.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Symptoms</h2></div><div class="section-button"><button type="submit" aria-controls="section-2" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-2"><p>Symptoms of a chronic ear infection may be less severe than symptoms of an acute infection. The problem may go unnoticed and untreated for a long time.</p><p>Symptoms may include:</p><ul><li>Ear pain or discomfort that is usually mild and feels like pressure in the ear</li><li>Fever, usually low-grade</li><li>Fussiness in infants</li><li>Pus-like <a test="test" href="./003042.htm">drainage from the ear</a></li><li><a test="test" href="./003044.htm">Hearing loss</a></li></ul><p>Symptoms may continue or come and go. They may occur in one or both ears.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Exams and Tests</h2></div><div class="section-button"><button type="submit" aria-controls="section-3" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-3"><p>Your health care provider will look in the ears using an otoscope. The exam may reveal:</p><ul><li>Dullness, redness in the middle ear</li><li>Air bubbles in the middle ear</li><li>Thick fluid in the middle ear</li><li>Eardrum that sticks to the bones in the middle ear</li><li>Draining fluid from the eardrum</li><li>A hole (perforation) in the eardrum</li><li>An eardrum that bulges out or pulls back inward (collapses)</li></ul><p>Tests may include:</p><ul><li>Cultures of the ear fluid that may show a bacterial infection.</li><li>A <a test="test" href="./003786.htm">CT scan of the head</a> or mastoids may show that the infection has spread beyond the middle ear.</li><li>Hearing tests may be needed.</li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Treatment</h2></div><div class="section-button"><button type="submit" aria-controls="section-4" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-4"><p>The provider may prescribe antibiotics if the infection is caused by bacteria. These medicines may need to be taken for a long time. They may be given by mouth or into a vein (intravenously).</p><p>If there is a hole in the eardrum, antibiotic ear drops are used. The provider may recommend using a mild acidic solution (such as vinegar and water) for a hard-to-treat infected ear that has a hole (perforation). A surgeon may need to clean out (debride) tissue that has gathered inside the ear.</p><p>Other surgeries that may be needed include:</p><ul><li>Surgery to clean the infection out of the mastoid bone (<a test="test" href="./003016.htm">mastoidectomy</a>)</li><li>Surgery to repair or replace the small bones in the middle ear</li><li>Repair of the eardrum</li><li><a test="test" href="./003015.htm">Ear tube surgery</a> (myringotomy)</li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Outlook (Prognosis)</h2></div><div class="section-button"><button type="submit" aria-controls="section-5" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-5"><p>Chronic ear infections often respond to treatment. However, your child may need to keep taking medicines for several months.</p><p>Chronic ear infections are not life threatening. However, they can be uncomfortable and may result in hearing loss and other serious complications.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Possible Complications</h2></div><div class="section-button"><button type="submit" aria-controls="section-6" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-6"><p>A chronic ear infection may cause permanent changes to the ear and nearby bones, including:</p><ul><li>Infection of the mastoid bone behind the ear (<a test="test" href="./001034.htm">mastoiditis</a>)</li><li>Ongoing drainage from a hole in the eardrum that does not heal, or after ear tubes are inserted</li><li>Cyst in the middle ear (<a test="test" href="./001050.htm">cholesteatoma</a>)</li><li>Hardening of the tissue in the middle ear (tympanosclerosis)</li><li>Damage to, or wearing away of the bones of the middle ear, which help with hearing</li><li><a test="test" href="./003028.htm">Paralysis of the face</a></li><li>Inflammation around the brain (<a test="test" href="./001416.htm">epidural abscess</a>) or in the brain</li><li>Damage to the part of the ear that helps with balance</li></ul><p>Hearing loss from damage to the middle ear may slow language and speech development. This is more likely if both ears are affected.</p><p>Permanent hearing loss is rare, but the risk increases with the number and length of infections.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>When to Contact a Medical Professional</h2></div><div class="section-button"><button type="submit" aria-controls="section-7" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-7"><p>Contact your provider if:</p><ul><li>You or your child has signs of a chronic ear infection</li><li>An ear infection does not respond to treatment</li><li>New symptoms develop during or after treatment</li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Prevention</h2></div><div class="section-button"><button type="submit" aria-controls="section-8" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-8"><p>Getting prompt treatment for an acute ear infection may reduce the risk of developing a chronic ear infection. Have a follow-up exam with your provider after an ear infection has been treated to make sure that it is completely cured.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Alternative Names</h2></div><div class="section-button"><button type="submit" aria-controls="section-Alt" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Alt"><p>Middle ear infection - chronic; Otitis media - chronic; Chronic otitis media; Chronic ear infection</p></div></div></section><section><div class="section sec-mb"><div class="section-header"><div class="section-title"><h2>Images</h2></div><div class="section-button"><button type="submit" aria-controls="section-tnails" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/1092t.jpg" alt="Ear anatomy" title="Ear anatomy" class="side-img"/><a href="../imagepages/1092.htm">Ear anatomy</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/19324t.jpg" alt="Middle ear infection (otitis media)" title="Middle ear infection (otitis media)" class="side-img"/><a href="../imagepages/19324.htm">Middle ear infection (otitis media)</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/19620t.jpg" alt="Middle ear infection" title="Middle ear infection" class="side-img"/><a href="../imagepages/19620.htm">Middle ear infection</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/19596t.jpg" alt="Eustachian tube" title="Eustachian tube" class="side-img"/><a href="../imagepages/19596.htm">Eustachian tube</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/10049t.jpg" alt="Ear tube insertion - series - Normal anatomy" title="Ear tube insertion - series - Normal anatomy" class="side-img"/><a href="../presentations/100045_1.htm">Ear tube insertion - series</a></li>
</ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>References</h2></div><div class="section-button"><button type="submit" aria-controls="section-Ref" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Ref"><p>Chole RA, Sharon JD. Chronic otitis media, mastoiditis, and petrositis. In: Flint PW, Francis HW, Haughey BH, et al, eds. <em>Cummings Otolaryngology: Head and Neck Surgery</em>. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 140.</p><p>Pelton SI. Otitis externa, otitis media, and mastoiditis. In: Bennett JE, Dolin R, Blaser MJ, eds. <em>Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases</em>. 9th ed. Philadelphia, PA: Elsevier; 2020:chap 61.</p><p>Player B. Otitis media. In: Kliegman RM, St. Geme JW, Blum NJ, et al., eds. <em>Nelson Textbook of Pediatrics</em>. 22nd ed. Philadelphia, PA: Elsevier; 2025:chap 680.</p><p>Rosenfeld RM, Tunkel DE, Schwartz SR, et al. Clinical Practice Guideline: Tympanostomy tubes in children (update). <em>Otolaryngol Head Neck Surg</em>. 2022;166(1_suppl):S1-S55. PMID: 35138954 <a href="https://pubmed.ncbi.nlm.nih.gov/35138954/" target="_blank">pubmed.ncbi.nlm.nih.gov/35138954/</a>.</p><p>Steele DW, Adam GP, Di M, Halladay CH, Balk EM, Trikalinos TA. Effectiveness of tympanostomy tubes for otitis media: a meta-analysis. <em>Pediatrics</em>. 2017;139(6):e20170125. PMID: 28562283 <a href="https://pubmed.ncbi.nlm.nih.gov/28562283/" target="_blank">pubmed.ncbi.nlm.nih.gov/28562283/</a>.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 1/24/2023</h2></div><div class="section-button"><button type="submit" aria-controls="section-version" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<div id="section-version" class="section-body"><p>Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Internal review and update on 07/19/24 by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.</p>
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