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</div><div><span>Tinea versicolor</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">Tinea versicolor</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>Tinea versicolor is a common fungal infection of the outer layer of the skin.</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>Tinea versicolor is fairly common. It is caused by a type of fungus called <em>Malassezia</em>. This fungus is normally found on human skin. It only causes a problem in certain settings.</p><p>The condition is most common in adolescents and young adults. It typically occurs in warm and humid climates. It does not spread person to person.</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>The main symptom is <a test="test" href="./003231.htm">patches</a> of discolored skin that:</p><ul><li>Have sharp borders (edges) and fine scales</li><li>Are often lighter or darker than the surrounding skin</li><li>Are found on the back, underarms, upper arms, chest, and neck</li><li>Are found on the forehead (in children)</li><li>Do not darken in the sun, so may appear lighter than the surrounding healthy skin </li></ul><p>African Americans and other people of color may have a loss of skin color or an increase in skin color.</p><p>Other symptoms include:</p><ul><li>Increased sweating</li><li><a test="test" href="./003217.htm">Mild itching</a></li><li>Mild swelling </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 examine a <a test="test" href="./007673.htm">skin scraping</a> under a microscope to look for the fungus. A <a test="test" href="./003840.htm">skin biopsy</a> may also be performed with a special stain called PAS to identify fungus and yeast.</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 condition is treated with antifungal medicine that is either applied to the skin or taken by mouth. </p><p>Applying over-the-counter dandruff shampoo containing selenium sulfide or ketoconazole to the skin for 10 minutes each day in the shower is another treatment option.</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>Tinea versicolor is easy to treat. Changes in skin color may last for months. The condition may come back during warm weather.</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-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>Contact your provider if you develop symptoms of tinea versicolor.</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-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>Avoid excessive heat or sweating if you have had this condition in the past. You can also use anti-dandruff shampoo on your skin every month to help prevent the problem.</p><p> </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>Pityriasis versicolor</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/1890t.jpg" alt="Tinea versicolor - close-up" title="Tinea versicolor - close-up" class="side-img"/><a href="../imagepages/1890.htm">Tinea versicolor - close-up</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/1895t.jpg" alt="Tinea versicolor - shoulders" title="Tinea versicolor - shoulders" class="side-img"/><a href="../imagepages/1895.htm">Tinea versicolor - shoulders</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/2478t.jpg" alt="Tinea versicolor - close-up" title="Tinea versicolor - close-up" class="side-img"/><a href="../imagepages/2478.htm">Tinea versicolor - close-up</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/2479t.jpg" alt="Tinea versicolor on the back" title="Tinea versicolor on the back" class="side-img"/><a href="../imagepages/2479.htm">Tinea versicolor on the back</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/3096t.jpg" alt="Tinea versicolor - back" title="Tinea versicolor - back" class="side-img"/><a href="../imagepages/3096.htm">Tinea versicolor - back</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>Chang MW. Disorders of hyperpigmentation. In: Bolognia JL, Schaffer JV, Cerroni L, eds. <em>Dermatology</em>. 4th ed. Philadelphia, PA: Elsevier; 2018:chap 67.</p><p>Patterson JW. Mycoses and algal infections. In: Patterson JW, ed. <em>Weedon's Skin Pathology</em>. 5th ed. Philadelphia, PA: Elsevier Limited; 2021:chap 26.</p><p>Patterson TF, Cañete-Gibas CF, Wiederhold NP. Malassezia species. In: Long SS, Prober CG, Fischer M, Kimberlin DW, eds. <em>Principles and Practice of Pediatric Infectious Diseases</em>. 6th ed. Philadelphia, PA: Elsevier; 2023:chap 247.</p></div></div></section>
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<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 11/30/2022</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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<div id="section-version" class="section-body"><p>Updated by: Ramin Fathi, MD, FAAD, Director, Phoenix Surgical Dermatology Group, Phoenix, AZ. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.</p>
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