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</div><div><span>Bowlegs</span></div></div>
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</noscript></div><div class="main"><div id="ency_summary"><p>Bowlegs is a condition in which the knees stay wide apart when a person stands with the feet and ankles together. It is considered normal in children under 18 months. </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>Infants are born bowlegged because of their folded position in the mother's womb. Bowed legs begin to straighten once the child starts to walk and the legs begin to bear weight (about 12 to 18 months old).</p><p>By around age 3, the child can most often stand with the ankles apart and the knees just touching. If the bowed legs are still present, the child is called bowlegged.</p><p>Bowlegs may be caused by illnesses, such as:</p><ul><li>Abnormal bone development</li><li><a test="test" href="./001584.htm">Blount disease</a></li><li>Fractures that do not heal correctly</li><li>Lead or fluoride poisoning</li><li><a test="test" href="./000344.htm">Rickets</a>, which is caused by a lack of <a test="test" href="./002405.htm">vitamin D</a></li></ul></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 may include:</p><ul><li>Knees that do not touch when standing with feet together (ankles touching)</li><li>Bowing of legs is same on both sides of the body (symmetrical)</li><li>Bowed legs continue beyond age 3 </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>A health care provider can often diagnose bowlegs by looking at the child. The distance between the knees is measured while the child is lying on the back.</p><p>Blood tests may be needed to rule out rickets.</p><p><a test="test" href="./003337.htm">X-rays</a> may be needed if:</p><ul><li>The child is 3 years old or older.</li><li>The bowing is getting worse.</li><li>Bowing is not the same on both sides.</li><li>Other test results suggest disease.</li></ul></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>No treatment is recommended for bowlegs unless the condition is extreme. The child should be seen by the provider at least every 6 months.</p><p>Special shoes, braces, or casts can be tried if the condition is severe or the child also has another disease. It is unclear how well these work.</p><p>At times, surgery is done to correct the deformity in an adolescent with severe bowlegs.</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>In many cases the outcome is good, and there is most often no problem walking.</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>Bowlegs that does not go away and is not treated may lead to arthritis in the knees or hips over time. </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>Contact your provider if your child shows ongoing or worsening bowed legs after age 3.</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>There is no known way to prevent bowlegs, other than to avoid rickets. Make sure your child is exposed to sunlight and gets the proper amount of vitamin D in their diet.</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>Genu varum</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>Sheffer BW. Osteochondrosis or epiphysitis and other miscellaneous affections. In: Azar FM, Beaty JH, eds. <em>Campbell's Operative Orthopaedics</em>. 14th ed. Philadelphia, PA: Elsevier; 2021:chap 32.</p><p>Winell JJ, Baldwin KD, Wells L. Torsional and angular deformities of the limb. 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 695.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 10/31/2022</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: 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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