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</noscript></div><div class="main"><div id="ency_summary"><p>Dizziness is a term that is often used to describe 2 different symptoms: lightheadedness and vertigo.</p><p>Lightheadedness is a feeling that you might faint.</p><p>Vertigo is a feeling that you are spinning or moving, or that the world is spinning around you. <a test="test" href="./001432.htm">Vertigo-associated disorders</a> is a related topic.</p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>Considerations</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>Most causes of dizziness are not serious, and they either quickly get better on their own or are easy to treat.</p></div></div></section><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-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>Lightheadedness occurs when your brain does not get enough blood. This may occur if:</p><ul><li>You have a sudden drop in blood pressure.</li><li>Your body does not have enough water (is dehydrated) because of vomiting, diarrhea, fever, or other conditions.</li><li>You get up too quickly after sitting or lying down (this is more common in older people). </li></ul><p>Lightheadedness may also occur if you have the <a test="test" href="./000080.htm">flu</a>, <a test="test" href="./000386.htm">low blood sugar</a>, a cold, allergies, or take medicines that may lower your blood pressure.</p><p>More serious conditions that can lead to lightheadedness include:</p><ul><li>Heart problems, such as a heart attack or abnormal heart beat</li><li>Stroke</li><li>Bleeding inside the body</li><li>Shock (extreme drop in blood pressure) </li></ul><p>If any of these serious disorders are present, you will usually also have symptoms like chest pain, a feeling of a racing heart, loss of speech, change in vision, or other symptoms.</p><p>Vertigo may be due to:</p><ul><li><a test="test" href="./001420.htm">Benign positional vertigo</a>, a spinning feeling that occurs when you move your head</li><li><a test="test" href="./001054.htm">Labyrinthitis</a>, a viral infection of the inner ear that usually follows a cold or flu</li><li><a test="test" href="./000702.htm">Meniere disease</a>, a common inner ear problem </li></ul><p>Other causes of lightheadedness or vertigo may include:</p><ul><li>Use of certain medicines</li><li>Stroke</li><li>Multiple sclerosis</li><li>Seizures</li><li>Brain tumor</li><li>Bleeding in the brain </li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Home Care</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>If you tend to get lightheaded when you stand up:</p><ul><li>Avoid sudden changes in posture.</li><li>Get up from a lying position slowly, and stay seated for a few moments before standing.</li><li>When standing, make sure you have something to hold on to. </li></ul><p>If you have vertigo, the following tips can help prevent your symptoms from becoming worse:</p><ul><li>Keep still and rest when symptoms occur.</li><li>Avoid sudden movements or position changes.</li><li>Slowly increase activity.</li><li>You may need a cane or other help walking when you have a loss of balance during a vertigo attack.</li><li>Avoid bright lights, TV, and reading during vertigo attacks because they may make symptoms worse. </li></ul><p>Avoid activities such as driving, operating heavy machinery, and climbing until 1 week after your symptoms disappear. A sudden dizzy spell during these activities can be dangerous.</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-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>Call your local emergency number (such as 911) or go to an emergency room if you are dizzy and have:</p><ul><li>A head injury</li><li>Fever over 101°F (38.3°C), headache, or very stiff neck</li><li>Seizures</li><li>Trouble keeping fluids down</li><li>Chest pain</li><li>Irregular heart rate (heart is skipping beats)</li><li>Shortness of breath</li><li>Weakness</li><li>Inability to move an arm or leg</li><li>Change in vision or speech</li><li>Fainting and loss of alertness for more than a few minutes </li></ul><p>Contact your health care provider for an appointment if you have:</p><ul><li>Dizziness for the first time</li><li>New or worsening symptoms</li><li>Dizziness after taking medicine</li><li>Hearing loss </li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>What to Expect at Your Office Visit</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>Your provider will perform a physical exam and ask questions about your medical history and symptoms, including:</p><ul><li>When did your dizziness begin?</li><li>Does your dizziness occur or get worse when you move?</li><li>What other symptoms occur when you feel dizzy?</li><li>Are you always dizzy or does the dizziness come and go?</li><li>How long does the dizziness last?</li><li>Were you sick with a cold, flu, or other illness before the dizziness began?</li><li>Do you have a lot of stress or anxiety? </li></ul><p>Tests that may be done include:</p><ul><li>Blood pressure reading</li><li>Electrocardiogram (<a test="test" href="./003868.htm">ECG</a>)</li><li>Hearing tests</li><li>Balance testing (<a test="test" href="./003448.htm">ENG</a>)</li><li>Magnetic Resonance Imaging (MRI) </li></ul><p>Your provider may prescribe medicines to help you feel better, including:</p><ul><li>Antihistamines</li><li>Sedatives</li><li>Anti-nausea medicine </li></ul><p>Surgery may be needed if you have Meniere disease.</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>Lightheadedness - dizzy; Loss of balance; Vertigo</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/1152t.jpg" alt="Carotid stenosis - X-ray of the left artery" title="Carotid stenosis - X-ray of the left artery" class="side-img"/><a href="../imagepages/1152.htm">Carotid stenosis - X-ray of the left artery</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/1153t.jpg" alt="Carotid stenosis - X-ray of the right artery" title="Carotid stenosis - X-ray of the right artery" class="side-img"/><a href="../imagepages/1153.htm">Carotid stenosis - X-ray of the right artery</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/19706t.jpg" alt="Vertigo" title="Vertigo" class="side-img"/><a href="../imagepages/19706.htm">Vertigo</a></li>
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<li><img src="//medlineplus.gov/ency/images/ency/tnails/19707t.jpg" alt="Balance receptors" title="Balance receptors" class="side-img"/><a href="../imagepages/19707.htm">Balance receptors</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>Baloh RW, Jen JC. Hearing and equilibrium. In: Goldman L, Schafer AI, eds. <em>Goldman-Cecil Medicine</em>. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 428.</p><p>Chang AK. Dizziness and vertigo. In: Walls RM, ed. <em>Rosen's Emergency Medicine: Concepts and Clinical Practice</em>. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 15.</p><p>Muncie HL, Sirmans SM, James E. Dizziness: approach to evaluation and management. <em>Am Fam Physician</em>. 2017;95(3):154-162. PMID: 28145669 <a href="https://pubmed.ncbi.nlm.nih.gov/28145669/" target="_blank">pubmed.ncbi.nlm.nih.gov/28145669/</a>.</p></div></div></section>
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