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</div><div><span>Sporotrichosis</span></div></div>
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</noscript></div><div class="main"><div id="ency_summary"><p>Sporotrichosis is a long-term (<a test="test" href="./002312.htm">chronic</a>) skin infection that is caused by a fungus called <em>Sporothrix schenckii</em>.</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><em>Sporothrix schenckii</em> is found in plants. Infection commonly occurs when the skin is broken while handling plant material such as rosebushes, briars, or dirt that contains a lot of mulch.</p><p>Sporotrichosis can be a job-related disease for people who work with plants, such as farmers, horticulturists, rose gardeners, and plant nursery workers. Widespread (disseminated) sporotrichosis can develop in people with a weakened immune system when they inhale dust filled with spores of the fungus.</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 include a small, painless, red lump that develops at the site of infection. As time passes, this lump will turn into an <a test="test" href="./003225.htm">ulcer</a> (sore). The lump may develop up to 3 months after an injury.</p><p>Most sores are on the hands and forearms because these areas are commonly injured when handling plants.</p><p>The fungus follows the channels in your body's lymph system. Small ulcers appear as lines on the skin as the infection moves up an arm or leg. These sores do not heal unless they are treated, and they may last for years. The sores may sometimes drain small amounts of pus.</p><p>Body-wide (<a test="test" href="./002294.htm">systemic</a>) sporotrichosis can cause lung and breathing problems, bone infection, arthritis, and infection of the nervous system.</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 examine you and ask about your symptoms. The examination will show the typical sores caused by the fungus. Sometimes, a small sample of affected tissue is removed, examined under a microscope, and tested in a lab to identify the fungus.</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 skin infection is often treated with an antifungal medicine called itraconazole. It is taken by mouth and continued for 2 to 4 weeks after the skin sores have cleared. You may have to take the medicine for 3 to 6 months. A medicine called terbinafine may be used instead of itraconazole.</p><p>Infections that have spread or affect the entire body are often treated with amphotericin B, or sometimes itraconazole. Therapy for systemic disease can last up to 12 months.</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>With treatment, full recovery is likely. Disseminated sporotrichosis is more difficult to treat and requires several months of therapy. Disseminated sporotrichosis can be life threatening for people with a weakened immune system.</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>People with a healthy immune system may have:</p><ul><li>Discomfort</li><li>Secondary skin infections (such as staph or strep)</li></ul><p>People with a <a test="test" href="./000818.htm">weakened immune system</a> may develop:</p><ul><li><a test="test" href="./001243.htm">Arthritis</a></li><li>Bone infection</li><li>Complications from medicines -- amphotericin B can have serious side effects, including kidney damage and changes in blood chemistries</li><li>Lung and breathing problems (such as <a test="test" href="./000145.htm">pneumonia</a>)</li><li>
Brain infection (<a test="test" href="./000680.htm">meningitis</a>)</li><li>Widespread (disseminated) disease</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 develop persistent <a test="test" href="./003279.htm">skin lumps</a> or skin ulcers that do not go away. Tell your provider if you know that you were exposed to plants from gardening.</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>People with a weakened immune system should try to reduce risk for skin injury. Wearing thick gloves while gardening can help.</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/2472t.jpg" alt="Sporotrichosis on the hand and arm" title="Sporotrichosis on the hand and arm" class="side-img"/><a href="../imagepages/2472.htm">Sporotrichosis on the hand and arm</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/2655t.jpg" alt="Sporotrichosis on the arm" title="Sporotrichosis on the arm" class="side-img"/><a href="../imagepages/2655.htm">Sporotrichosis on the arm</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/2657t.jpg" alt="Sporotrichosis on the forearm" title="Sporotrichosis on the forearm" class="side-img"/><a href="../imagepages/2657.htm">Sporotrichosis on the forearm</a></li>
<li><img src="//medlineplus.gov/ency/images/ency/tnails/9485t.jpg" alt="Fungus" title="Fungus" class="side-img"/><a href="../imagepages/9485.htm">Fungus</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>Rex JH, Okhuysen PC. <em>Sporothrix schenckii</em>. 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 259.</p><p>Thompson GR, Miceli MH. Endemic mycoses. In: Goldman L, Cooney KA, eds. <em>Goldman-Cecil Medicine</em>. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 308.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 3/16/2024</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: Jatin M. Vyas, MD, PhD, Associate Professor in Medicine, Harvard Medical School; Associate in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. 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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