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</a><h1 class="with-also" itemprop="name">Tick paralysis</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>Tick paralysis is a loss of muscle function that results from a <a test="test" href="./000033.htm">tick bite</a>.</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>Hard-bodied and soft-bodied female <a test="test" href="./002856.htm">ticks</a> are believed to make a poison that can cause <a test="test" href="./003190.htm">paralysis</a> in children. Ticks attach to the skin to feed on blood. The poison enters the bloodstream during this feeding process.</p><p>The paralysis is ascending. That means it starts in the lower body and moves up. </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>Children with tick paralysis develop an <a test="test" href="./003199.htm">unsteady gait</a> followed several days later by weakness in the lower legs. This <a test="test" href="./003174.htm">weakness</a> gradually moves up to involve the upper limbs.</p><p>Paralysis may cause <a test="test" href="./003075.htm">breathing difficulties</a>, which may require the use of a breathing machine.</p><p>The child may also have mild, flu-like symptoms (muscle aches, tiredness).</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>People can be exposed to ticks in many ways. For example, they may have gone on a camping trip, live in a tick-infested area, or have dogs or other animals that can pick up ticks. Often, the tick is found only after thoroughly searching a person's hair.</p><p>Finding a tick embedded in the skin and having the above symptoms confirms the diagnosis. No other testing is required.</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>Removing the tick removes the source of the poison. Recovery is rapid after the tick is removed.</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>Full recovery is expected following the removal of the tick.</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>Breathing difficulties can cause <a test="test" href="./002290.htm">respiratory</a> failure. When this happens, the body's organs do not have enough oxygen to work well.</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>If your child suddenly becomes unsteady or weak, have the child examined right away. Breathing difficulties require emergency care.</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>Use insect repellents and protective clothing when in tick-infested areas. Tuck pant legs into socks. Carefully check the skin and hair after being outside and remove any ticks you find.</p><p>If you find a tick on your child, write the information down and keep it for several months. Many tick-borne diseases do not show symptoms right away, and you may forget the incident by the time your child becomes sick with a tick-borne disease.</p></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>Aminoff MJ, So YT. Effects of toxins and physical agents on the nervous system. In: Jankovic J, Mazziotta JC, Pomeroy SL, Newman NJ, eds. <em>Bradley and Daroff's Neurology in Clinical Practice</em>. 8th ed. Philadelphia, PA: Elsevier; 2022:chap 86.</p><p>Bolgiano EB, Sexton J. Tickborne illnesses. In: Walls RM, ed. <em>Rosen's Emergency Medicine: Concepts and Clinical Practice</em>. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 123.</p><p>Cummins GA, Traub SJ. Tick-borne diseases. In: Auerbach PS, Cushing TA, Harris NS, eds. <em>Auerbach's Wilderness Medicine</em>. 7th ed. Philadelphia, PA: Elsevier; 2017:chap 42.</p><p>Diaz JH. Ticks, including tick paralysis. 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 296.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 4/28/2023</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. 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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