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</div><div><span>Impetigo</span></div></div>
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<article><div id="d-article"><div class="page-info"><div class="page-title"><a name="start" id="start">
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</a><h1 class="with-also" itemprop="name">Impetigo</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>Impetigo is a common skin infection.</p></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>Impetigo is caused by streptococcus (strep) or staphylococcus (staph) bacteria. Methicillin-resistant staph aureus (<a test="test" href="./007261.htm">MRSA</a>) is an increasing cause.</p><p>Skin typically has many types of bacteria on it. When there is a break in the skin, bacteria can enter the body and grow there. This causes inflammation and infection. Breaks in the skin may occur from injury or trauma to the skin or from insect, animal, or human bites.</p><p>Impetigo may also occur on the skin, where there is no visible break.</p><p>Impetigo is most common in children who live in unhealthy conditions.</p><p>In adults, it may occur following another skin problem. It may also develop after a cold or other virus. </p><p>Impetigo can spread to others. You can catch the infection from someone who has it if the fluid that oozes from their skin blisters touches an open area on your skin.</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 impetigo are:</p><ul><li>One or many blisters that are filled with pus and easy to pop. In infants, the skin is reddish or raw-looking where a blister has broken.</li><li>Blisters that itch are filled with yellow or honey-colored fluid and ooze and crust over. <a test="test" href="./003220.htm">Rash</a> that may begin as a single spot but spreads to other areas due to scratching.</li><li>Skin sores on the face, lips, arms, or legs that spread to other areas.</li><li>Swollen lymph nodes near the infection.</li><li>Patches of impetigo on the body (in children). </li></ul></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 at your skin to determine if you have impetigo.</p><p>Your provider may take a sample of bacteria from your skin to grow in the lab. This can help determine if MRSA is the cause. Specific antibiotics are needed to treat this type of bacteria.</p></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 goal of treatment is to get rid of the infection and relieve your symptoms.</p><p>Your provider will prescribe an antibacterial cream. You may need to take antibiotics by mouth if the infection is severe.</p><p>Gently wash (Do not scrub) your skin several times a day. Use an antibacterial soap to remove crusts and drainage.</p></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>The sores of impetigo heal slowly. Scars are rare. The cure rate is very high, but the problem often comes back in young children.</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>Impetigo may lead to:</p><ul><li>Spread of the infection to other parts of the body (common)</li><li><a test="test" href="./000501.htm">Kidney inflammation or failure</a> (rare)</li><li>Permanent skin damage and scarring (very rare)</li></ul></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 you have symptoms of impetigo.</p></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>Prevent the spread of infection.</p><ul><li>If you have impetigo, always use a clean washcloth and towel each time you wash.</li><li>Do not share towels, clothing, razors, and other personal care products with anyone.</li><li>Avoid touching blisters that are oozing.</li><li>Wash your hands thoroughly after touching infected skin.</li></ul><p>Keep your skin clean to prevent getting the infection. Wash minor cuts and scrapes well with soap and clean water. You can use a mild antibacterial soap.</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>Streptococcus - impetigo; Strep - impetigo; Staph - impetigo; Staphylococcus - impetigo</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/1317t.jpg" alt="Impetigo - bullous on the buttocks" title="Impetigo - bullous on the buttocks" class="side-img"/><a href="../imagepages/1317.htm">Impetigo - bullous on the buttocks</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/2431t.jpg" alt="Impetigo on a child's face" title="Impetigo on a child's face" class="side-img"/><a href="../imagepages/2431.htm">Impetigo on a child's face</a></li>
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</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>Dinulos JGH. Bacterial infections. In: Dinulos JGH, ed. <em>Habif's Clinical Dermatology</em>. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 9.</p><p>Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM. Cutaneous bacterial infections. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. <em>Nelson Textbook of Pediatrics</em>. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 685.</p><p>Pasternack MS, Swartz MN. Cellulitis, necrotizing fasciitis, and subcutaneous tissue infections. 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 93.</p></div></div></section>
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<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 11/18/2022</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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