Impetigoenteenshttps://kidshealth.org/EN/images/headers/Impetigo_enHD_1.jpgImpetigo is a skin infection caused by fairly common bacteria. Read this article to learn how to recognize it and what to do about it.impetigo, skin, bacterial infection, blisters, staphylococcus aureus, staph, staph bacteria, Group A streptococcus, streptococcus bacteria, strep, skin infection, taking care of your skin, hygiene, honey-colored crust, crusting blisters, eczema, skin allergy, poison ivy, bug bite, insect bite, damaged skin, cuts, scrapes, irritated skin, raw skin, skin around the mouth, skin around the nose, blisters with a crust, antibiotics07/31/200006/19/201809/02/2019Joanne Murren-Boezem, MD06/01/2018441158a7-f32f-4a91-80bb-f7273effb343https://kidshealth.org/ws/RadyChildrens/en/teens/impetigo.html/<h3>What Is Impetigo?</h3> <p>Impetigo (pronounced: im-peh-TY-go) is a very common skin infection, especially in young kids. But anyone can get it. It can cause blisters or sores on the face, hands, and legs.</p> <h3>What Causes Impetigo?</h3> <p>Someone can be more likely to develop impetigo when their skin is already irritated by another problem, such as <a href="https://kidshealth.org/ws/RadyChildrens/en/teens/eczema.html/">eczema</a>, <a href="https://kidshealth.org/ws/RadyChildrens/en/teens/poison-ivy.html/">poison ivy</a>, <a href="https://kidshealth.org/ws/RadyChildrens/en/teens/bug-bites.html/">insect bites</a>, and <a href="https://kidshealth.org/ws/RadyChildrens/en/teens/cuts.html/">cuts or scrapes</a>. Scratching a sore or a rash is a common cause &mdash; for example, poison ivy can get infected and turn into impetigo. It also happens more often in warm, humid environments.</p> <p>Washing your <a href="https://kidshealth.org/ws/RadyChildrens/en/teens/handwashing.html/">hands</a> and face well and often&nbsp;can help prevent it.</p> <h3>What Are the Signs &amp; Symptoms of Impetigo?</h3> <p>Impetigo may affect skin anywhere on the body, but is most common around the nose and mouth, hands, and forearms.</p> <p>The three types of impetigo are <strong>non-bullous</strong> (crusted), <strong>bullous</strong> (large blisters), and <strong>ecthyma</strong> (ulcers):</p> <ul class="kh_longline_list"> <li>Non-bullous or crusted impetigo is most common. It begins as tiny blisters that eventually burst and leave small wet patches of red skin that may weep fluid. Gradually, a yellowish-brown or tan crust covers the area, making it look like it has been coated with honey or brown sugar.</li> <li>Bullous impetigo causes larger fluid-containing blisters that look clear, then cloudy. These blisters are more likely to stay longer on the skin without bursting.</li> <li>Ecthyma impetigo looks like "punched out" ulcers with yellow crust and red edges.</li> </ul> <p><img title="illustration" src="https://kidshealth.org/EN/images/illustrations/ImpetigoPR-A-enIL.jpg" alt="illustration" name="5361-IMPETIGOPR_A_ENIL.JPG" /></p> <h3>Is Impetigo Contagious?</h3> <p>Impetigo is contagious, and can spread from one person to another. It's usually caused by one of two bacteria: <em>Staphylococcus aureus</em> or <em>Streptococcus pyogenes</em> (also called group A streptococcus, which also causes <a href="https://kidshealth.org/ws/RadyChildrens/en/teens/strep-throat.html/">strep throat</a>). Methicillin-resistant <em>Staphylococcus aureus</em> (<a href="https://kidshealth.org/ws/RadyChildrens/en/teens/mrsa.html/">MRSA</a>) is also becoming an important cause of impetigo.</p> <p>Impetigo can spread to anyone who touches infected skin or items that have been touched by infected skin (such as clothing, towels, and bed linens). It can be itchy, so people also can spread the infection when they scratch it and then touch other parts of their body.</p> <h3>How Is Impetigo Diagnosed?</h3> <p>In most cases, doctors can diagnose impetigo based on how the rash looks. Occasionally, they may need to take a sample of fluid from blisters for testing.</p> <h3>How Is Impetigo Treated?</h3> <p>Impetigo is typically treated with antibiotics, either as an ointment or a medicine taken by mouth:</p> <ul class="kh_longline_list"> <li>When it just affects a small area of the skin (and especially if it's the non-bullous form), impetigo is treated with antibiotic ointment for 5 days.</li> <li>If the infection has spread to other areas of the body or the ointment isn't working, the doctor may prescribe an antibiotic pill or liquid to be taken for 7&ndash;10 days.</li> </ul> <p>After antibiotic treatment begins, healing should start within a few days. It's important to make sure that you take the medicine as prescribed. Otherwise, a deeper and more serious skin infection could develop.</p> <p>While the infection is healing, gently wash your skin with clean gauze and antiseptic soap every day. Soak any areas of crusted skin with warm soapy water to help remove the layers of crust (you don't have to remove all of it).</p> <p>To keep impetigo from spreading to other parts of the body, the doctor or nurse will probably recommend covering infected areas with gauze and tape or a loose plastic bandage. Keep your fingernails short and clean to prevent scratching that could lead to a worse infection.</p> <h3>Can Impetigo Be Prevented?</h3> <p>Keeping skin clean can help prevent impetigo. Wash your hands well and often and take <a href="https://kidshealth.org/ws/RadyChildrens/en/teens/hygiene-basics.html/">baths or showers</a> regularly. Pay special attention to skin injuries (cuts, scrapes, bug bites, etc.), areas of eczema, and rashes such as poison ivy. Keep these areas clean and covered.</p> <p>To prevent impetigo from spreading among family members, everyone should use their own clothing, sheets, razors, soaps, and towels. When these items get dirty, wash them separately in very hot water. Using paper towels instead of cloth towels also can help keep the infection from spreading to others. Sharing makeup is never a good idea but even more risky if you have impetigo.</p> <h3>When Should I Call the Doctor?</h3> <p>Call the doctor if you have signs of impetigo, especially if you've been around a family member, friend, or classmate with the infection.</p> <p>Keep an eye on the sores and call the doctor if the skin doesn't begin to heal after 3 days of treatment or you develop a fever. If the area around the rash becomes red, warm, or tender to the touch, call your doctor right away.</p>El impétigoEl impétigo es una infección en la piel que en general es provocada por una de dos bacterias.https://kidshealth.org/ws/RadyChildrens/es/teens/impetigo-esp.html/67160f5a-3b25-4514-87e0-1a05f6d2409b
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kh:age-teenThirteenToNineteenkh:age-youngAdultEighteenPluskh:clinicalDesignation-dermatologykh:clinicalDesignation-infectiousDiseasekh:genre-articlekh:primaryClinicalDesignation-generalPediatricsBacteria & Viruseshttps://kidshealth.org/ws/RadyChildrens/en/teens/infections/bacterial-viral/b7dc4878-3709-426e-b9f5-a4e65c39af05Skin Infections & Rasheshttps://kidshealth.org/ws/RadyChildrens/en/teens/infections/skin-rashes/9daf2e38-6abb-4f94-8507-0e675f5fc224https://kidshealth.org/EN/images/illustrations/ImpetigoPR-A-enIL.jpg