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</div><div><span>Lofexidine</span></div></div><span class="page-url print-only">URL of this page: https://medlineplus.gov/druginfo/meds/a618036.html</span><!-- Article --><article><div class="page-info"><div class="page-title"><a name="start" id="start">
</a><h1 class="with-also">Lofexidine</h1><span class="alsocalled" id="d-pronunciation">pronounced as (loe fex' i deen)
</span>
</div><div class="page-actions">
</div>
<noscript><span class="js-disabled-message">To use the sharing features on this page, please enable JavaScript.</span></noscript></div><div id="toc-box"><ul role="navigation" class="group"><li><a href="#why">Why is this medication prescribed?</a>
</li><li><a href="#how">How should this medicine be used?</a>
</li><li><a href="#other-uses">Other uses for this medicine</a>
</li><li><a href="#precautions">What special precautions should I follow?</a>
</li><li><a href="#special-dietary">What special dietary instructions should I follow?</a>
</li><li><a href="#if-i-forget">What should I do if I forget a dose?</a>
</li><li><a href="#side-effects">What side effects can this medication cause?</a>
</li><li><a href="#storage-conditions">What should I know about storage and disposal of this medication?</a>
</li><li><a href="#overdose">In case of emergency/overdose</a>
</li><li><a href="#other-information">What other information should I know?</a>
</li><li><a href="#brand-name-1">Brand names</a>
</li></ul></div><section><div id="why" class="section"><div class="section-header"><div class="section-title"><h2>Why is this medication prescribed?</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>Lofexidine is used to manage opioid withdrawal symptoms (e.g., sick feeling, stomach cramps, muscle spasms or twitching, cold sensation, heart pounding, muscle tension, aches and pains, yawning, runny eyes, or difficulty falling asleep or staying asleep) that may occur after an opioid medication is suddenly stopped. Lofexidine is in a class of medications called central alpha adrenergic agonists. It works by relaxing blood vessels so that blood can flow more easily through the body.</p></div></div></section><section><div id="how" class="section"><div class="section-header"><div class="section-title"><h2>How should this medicine be used?</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>Lofexidine comes as a tablet to take by mouth. It is usually taken with or without food four times a day (5 to 6 hours between each dose) to manage withdrawal symptoms after your last use of an opioid medication. It may be taken for up to 14 days depending on your symptoms and side effects. Take lofexidine at around the same times every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take lofexidine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.</p><p>Your doctor may need to reduce, interrupt, or discontinue your treatment if you experience certain side effects. Talk to your doctor about how you are feeling during your treatment.</p><p>Lofexidine helps to reduce the severity of opioid withdrawal symptoms but may not completely prevent them. Do not stop taking lofexidine without talking to your doctor. If you suddenly stop taking lofexidine, your blood pressure may increase or you may experience withdrawal symptoms such as diarrhea, difficulty falling asleep or staying asleep, anxiety, chills, sweating, and leg or arm pain. Your doctor will probably tell you to decrease your dose gradually over 2 to 4 days.</p><p>Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient.</p></div></div></section><section><div id="other-uses" class="section"><div class="section-header"><div class="section-title"><h2>Other uses for this medicine</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>This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.</p></div></div></section><section><div id="precautions" class="section"><div class="section-header"><div class="section-title"><h2>What special precautions should I follow?</h2></div><div class="section-button"><button type="submit" aria-controls="section-precautions" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-precautions"><h3>Before taking lofexidine,</h3><ul><li>tell your doctor and pharmacist if you are allergic to lofexidine, any other medications, or any of the ingredients in lofexidine tablets. Ask your pharmacist for a list of the ingredients.</li><li>tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take while taking lofexidine. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.</li><li>tell your doctor if you or anyone in your family has or has ever had long QT syndrome (condition that increases the risk of developing an irregular heartbeat that may cause fainting or sudden death), or another type of irregular heartbeat or heart rhythm problem, or if you have or have ever had low blood levels of magnesium or potassium in your blood, a heart attack, heart failure, low or high blood pressure, cerebrovascular disease (clogging or weakening of the blood vessels within the brain or leading to the brain), or heart, liver, or kidney disease.</li><li>tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you become pregnant while taking lofexidine, call your doctor.</li><li>you should know that lofexidine may make you drowsy. Do not drive a car or operate machinery until you know how this medication affects you.</li><li>ask your doctor about the safe use of alcoholic beverages while you are taking lofexidine. Alcohol can make the side effects from lofexidine worse.</li><li>you should know that lofexidine may cause dizziness, lightheadedness, and fainting when you get up too quickly from a lying position. To avoid this problem, get out of bed slowly, resting your feet on the floor for a few minutes before standing up. If you experience these symptoms, sit or lie down. If these symptoms do not improve, call your doctor.</li><li>you should know that you may faint if you become dehydrated or overheated during your treatment with lofexidine. Be sure to drink plenty of liquids and stay cool while you are taking this medication.</li><li>you should know that after a period of not using opioid drugs, you may be more sensitive to the effects of opioids and are at a greater risk of overdosing if you were to take or use too much.</li></ul></div></div></section><section><div id="special-dietary" class="section"><div class="section-header"><div class="section-title"><h2>What special dietary instructions should I follow?</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>Unless your doctor tells you otherwise, continue your normal diet.</p></div></div></section><section><div id="if-i-forget" class="section"><div class="section-header"><div class="section-title"><h2>What should I do if I forget a dose?</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>Take the missed dose as soon as you remember it. Then resume taking your next dose (5 to 6 hours later). Do not take a double dose to make up for a missed one.</p></div></div></section><section><div id="side-effects" class="section"><div class="section-header"><div class="section-title"><h2>What side effects can this medication cause?</h2></div><div class="section-button"><button type="submit" aria-controls="section-side-effects" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-side-effects"><h3>Lofexidine may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
</h3><ul><li>difficulty falling asleep or staying asleep</li><li>dry mouth</li><li>ringing in the ears</li></ul><h3>Some side effects can be serious. If you experience any of these symptoms or those listed in the SPECIAL PRECAUTIONS section, call your doctor immediately or get emergency medical treatment:
</h3><ul><li>fainting</li><li>dizziness or lightheadedness</li></ul><p>Lofexidine may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.</p><p>If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online (<a target="_blank" href="https://www.fda.gov/Safety/MedWatch">https://www.fda.gov/Safety/MedWatch</a>) or by phone (1-800-332-1088).</p></div></div></section><section><div id="storage-conditions" class="section"><div class="section-header"><div class="section-title"><h2>What should I know about storage and disposal of this medication?</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>Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Do not remove the desiccant (drying agent) from the bottle.</p><p>It is important to keep all medication out of sight and reach of children as many containers (such as weekly pill minders and those for eye drops, creams, patches, and inhalers) are not child-resistant and young children can open them easily. To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location one that is up and away and out of their sight and reach. <a target="_blank" href="https://www.upandaway.org">https://www.upandaway.org</a></p><p>Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them. However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. Talk to your pharmacist or contact your local garbage/recycling department to learn about take-back programs in your community. See the FDA's Safe Disposal of Medicines website (<a target="_blank" href="https://goo.gl/c4Rm4p">https://goo.gl/c4Rm4p</a>) for more information if you do not have access to a take-back program.</p></div></div></section><section><div id="overdose" class="section"><div class="section-header"><div class="section-title"><h2>In case of emergency/overdose</h2></div><div class="section-button"><button type="submit" aria-controls="section-9" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-9"><p>In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at <a target="_blank" href="https://www.poisonhelp.org/help">https://www.poisonhelp.org/help</a>. If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911.</p><h3>Symptoms of overdose may include the following:
</h3><ul><li>faintness</li><li>sedation</li></ul></div></div></section><section><div id="other-information" class="section"><div class="section-header"><div class="section-title"><h2>What other information should I know?</h2></div><div class="section-button"><button type="submit" aria-controls="section-10" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-10"><p>Keep all appointments with your doctor. Your doctor may order certain lab tests to check your body's response to lofexidine.</p><p>Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.</p><p>It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.</p></div></div></section><section><div id="brand-name-1" class="section"><div class="section-header"><div class="section-title"><h2>Brand names</h2></div><div class="section-button"><button type="submit" aria-controls="section-brandname-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-brandname-1"><ul><li>Lucemyra<sup>®</sup></li></ul></div></div></section><span>Last Revised - </span><span>08/15/2018</span>
</p>
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