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.vn-container{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;height:3rem;margin:0 auto;max-width:77.5rem;z-index:1}@media(min-width:64rem){.vn-wrapper .vn-container{height:4.6875rem}}.vn-wrapper .vn-container.lite{max-width:100%}@media(min-width:64rem){.vn-wrapper .vn-container.lite{height:3.5rem}}.vn-wrapper .vn-menu-btn{-webkit-box-align:center;-ms-flex-align:center;align-items:center;background:none;border:0;color:#fff;cursor:pointer;display:-webkit-box;display:-ms-flexbox;display:flex;height:100%;line-height:1;padding:0}.vn-wrapper .vn-menu-btn:not(.lite){margin-right:1.166875rem}@media(min-width:64rem){.vn-wrapper .vn-menu-btn:not(.lite){margin-right:0}}.vn-wrapper .vn-menu-btn i{font-size:2.25rem;width:2.25rem;overflow:hidden}.vn-wrapper .vn-menu-btn svg{fill:currentColor;pointer-events:none}.vn-wrapper .vn-menu-btn.vn-search 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.vn-logo-container .vn-logo img:not(.lite){width:7.25rem}}.vn-wrapper .vn-logo-container.with-program .vn-logo img{height:.875rem}@media(min-width:64rem){.vn-wrapper .vn-logo-container.with-program .vn-logo img{height:1.4375rem}}.vn-wrapper .vn-logo-container.with-program .vn-prog-logo img{height:.9375rem}@media(min-width:64rem){.vn-wrapper .vn-logo-container.with-program .vn-prog-logo img{height:1.5625rem}}.vn-wrapper .vn-links{background:#f9f9fc;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;height:calc(100vh - 3rem);left:-140vw;overflow:auto;padding:.5rem;position:fixed;top:3rem;-webkit-transition:left .5s ease;transition:left .5s ease;width:100%;z-index:100}@media(min-width:37.5rem){.vn-wrapper .vn-links{max-width:25rem}}@media(min-width:64rem){.vn-wrapper .vn-links.lite{height:calc(100vh - 3.5rem);top:3.5rem}}@media(min-width:64rem){.vn-wrapper 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.vn-menu-section{left:0;opacity:1;visibility:visible}}@media(min-width:81.25rem){.vn-wrapper .vn-links .vn-links-list:not(.lite)>li:not(:nth-child(7)){margin-right:1rem}}.vn-wrapper .vn-links .vn-menu-section{background:#f9f9fc;height:calc(100vh - 3rem);right:-140vw;overflow:auto;padding:0 1.5rem 6.25rem 1.5rem;position:fixed;top:3rem;-webkit-transition:all .5s ease;transition:all .5s ease;width:100%;z-index:10}.vn-wrapper .vn-links .vn-menu-section.lite{height:calc(100vh - 3.5rem);top:3.5rem}@media(min-width:37.5rem){.vn-wrapper .vn-links .vn-menu-section{max-width:25rem;left:-140vw;right:auto}.vn-wrapper .vn-links .vn-menu-section.open{left:0;right:auto}}.vn-wrapper .vn-links .vn-menu-section.open{right:0}.vn-wrapper .vn-links .vn-menu-section .vn-menu-section-header{-webkit-box-align:center;-ms-flex-align:center;align-items:center;border-bottom:1px solid #c6cedb;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;padding:.75rem 0}.vn-wrapper .vn-links .vn-menu-section .vn-menu-section-header h3{color:#1b1b1b;font-size:1.25rem;line-height:1;margin:0}.vn-wrapper .vn-links .vn-menu-section .vn-menu-section-header a{color:#3557ff;font-weight:400;text-decoration:none}.vn-wrapper .vn-links .vn-menu-section .vn-menu-section-header a img{margin-right:.5rem;width:.8125rem}.vn-wrapper .vn-links .vn-menu-section ul{margin:.75rem 0;list-style:none;padding:0}.vn-wrapper .vn-links .vn-menu-section ul li{font-size:1.125rem;font-weight:400}.vn-wrapper .vn-links .vn-menu-section ul li a{color:#1b1b1b;display:block;padding:.75rem 0;text-decoration:none}.vn-wrapper .vn-links .vn-menu-section ul li a:hover{color:#3557ff}.vn-wrapper .vn-links .vn-menu-section ul li hr{border:1px solid #c6cedb}@media(min-width:64rem){.vn-wrapper .vn-links .vn-menu-section:not(.lite){background:#fff;border-radius:0 0 5px 5px;border-top:0;left:-20px;margin-left:-3.75rem;max-width:none;height:auto;opacity:0;padding:1.875rem 2.875rem;position:absolute;top:4.6875rem;width:18.75rem;visibility:hidden}.vn-wrapper .vn-links .vn-menu-section:not(.lite) hr{display:none}.vn-wrapper .vn-links .vn-menu-section:not(.lite) ul{margin:0}.vn-wrapper .vn-links .vn-menu-section:not(.lite) ul li{border-bottom:1px solid #c6cedb}.vn-wrapper .vn-links .vn-menu-section:not(.lite) ul li:last-of-type{border-bottom:0}.vn-wrapper .vn-links .vn-menu-section:not(.lite) ul li.vn-see-all a{-webkit-box-align:baseline;-ms-flex-align:baseline;align-items:baseline;color:#3557ff;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start}.vn-wrapper .vn-links .vn-menu-section:not(.lite) ul li.vn-see-all a img{height:.75rem;margin-right:.5rem}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1{width:60.875rem}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1 ul{-webkit-columns:4;-moz-columns:4;columns:4;-webkit-column-gap:2.875rem;-moz-column-gap:2.875rem;column-gap:2.875rem}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1 ul li:nth-child(7),.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1 ul li:nth-child(14),.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1 ul li:nth-child(21){border-bottom:0}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-3{width:35rem}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-3 ul{-webkit-columns:2;-moz-columns:2;columns:2;-webkit-column-gap:2.875rem;-moz-column-gap:2.875rem;column-gap:2.875rem}.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-3 ul li:nth-child(8),.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-3 ul li:nth-child(16){border-bottom:0}}@media(min-width:64rem)and (max-width:81.25rem){.vn-wrapper .vn-links .vn-menu-section:not(.lite).hdr-site-1{margin-left:-8.75rem}}.vn-wrapper .vn-links .vn-back{-webkit-box-align:center;-ms-flex-align:center;align-items:center;background:none;border:0;color:#3557ff;cursor:pointer;display:-webkit-box;display:-ms-flexbox;display:flex;padding:1rem 0}.vn-wrapper .vn-links .vn-back i{font-size:.75rem;margin-right:.3125rem}.vn-wrapper .vn-links .vn-actions{margin-top:1rem}@media(min-width:64rem){.vn-wrapper .vn-links .vn-actions:not(.lite){-webkit-box-align:center;-ms-flex-align:center;align-items:center;border-left:1px solid #cccce7;display:-webkit-box;display:-ms-flexbox;display:flex;margin:1.1875rem 0;padding-left:1.25rem}}@media(min-width:64rem){.vn-wrapper .vn-links .vn-actions:not(.lite).no-subscribe{border-left:none}}.vn-wrapper .vn-links .vn-actions:not(.lite).no-subscribe .vn-signin{padding-left:.9375rem}@media(min-width:64rem){.vn-wrapper .vn-links .vn-actions:not(.lite).no-subscribe .vn-signin{padding-left:0}}.vn-wrapper .vn-links .vn-actions .vn-signin{color:#3557ff;font-weight:600;padding:0 1.5rem;text-decoration:none}@media(min-width:64rem){.vn-wrapper .vn-links .vn-actions .vn-signin:not(.lite){-webkit-box-align:center;-ms-flex-align:center;align-items:center;color:#fff;display:-webkit-box;display:-ms-flexbox;display:flex;font-size:1.0625rem;padding:0;margin:0 .9375rem;-webkit-transition:all .3s ease;transition:all .3s ease}}.vn-wrapper .vn-links .vn-actions .vn-loggedin{background:none;border:0;color:#3557ff;font-weight:600;height:3rem;padding:0 1.5rem;text-decoration:none}@media(min-width:64rem){.vn-wrapper .vn-links .vn-actions .vn-loggedin:not(.lite){-webkit-box-align:center;-ms-flex-align:center;align-items:center;color:#fff;display:-webkit-box;display:-ms-flexbox;display:flex;font-size:0;padding:0;margin:0 1.25rem}.vn-wrapper .vn-links .vn-actions .vn-loggedin:not(.lite):before{background:url(//img.lb.wbmdstatic.com/webmd_static_vue/091e9c5e81e4870f/client/img/person.59072d56.svg) 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type="application/ld+json">{"@context":"https://schema.org/","@type":"MedicalWebPage","mainEntityOfPage":"https://www.webmd.com/children/what-is-hypomagnesemia","lastReviewed":"02/20/2024 00:00:00","reviewedBy":{"@type":"Person","name":"Dan Brennan, MD"},"about":"Childhood Genetic Diseases (Sensitive Topic)","datePublished":"11/30/2021 01:00:00","headline":"What Is Hypomagnesemia?","author":{"@type":"Person","name":"Susan Adcox"},"dateModified":"02/20/2024 00:00:00","publisher":{"@type":"Organization","name":"WebMD","logo":{"@type":"ImageObject","url":"https://img.lb.wbmdstatic.com/vim/live/webmd/consumer_assets/site_images/logos/webmd/web/webmd_logo_53x12.gif"}}}</script><div class="inner-article-container"><header><h1>What Is Hypomagnesemia?</h1></header><div class="med-wrap"><div><div class="asset-med-rev"><div class="reviewer-info" data-chronicle="091e9c5e81e48710" data-e2e="asset-medical-review" data-metrics-module="rvdby-lnk"><span class="reviewer-photo-cont"><figure><img src="https://img.lb.wbmdstatic.com/vim/live/webmd/consumer_assets/site_images/articles/biographies/brennan_dan_382x382.jpg?resize=51px:51px&output-quality=75" class="reviewer-photo"></figure></span><span class="reviewer-txt seperatorLine">Medically Reviewed by <a class="person" href="https://www.webmd.com/bio/dan-brennan" data-metrics-link="0">Dan Brennan, MD</a><span class="no-link"></span><span class="revDate"> on February 20, 2024</span></span></div><div class="byline"><span><span class="authors" data-metrics-module="wrtnby-lnk">Written by <a href="https://www.webmd.com/bio/susan-adcox" class="person" data-metrics-link="0">Susan Adcox</a></span></span></div></div></div></div><aside class="oncology-article-nav" data-metrics-module="cwnav-art"><ul class="nav-items desktop"><li><a href="#091e9c5e822ce742-1-2">What Are the Causes of Hypomagnesemia?</a></li><li><a href="#091e9c5e822ce742-1-3">What Are the Symptoms of Hypomagnesemia?</a></li><li><a href="#091e9c5e822ce742-1-4">How Is Hypomagnesemia Treated?</a></li><li><a href="#091e9c5e822ce742-2-5">If I Have Hypomagnesemia, Should I Take Magnesium Supplements?</a><div class="item-button"><a href="#"></a></div></li><li><a href="#091e9c5e822ce742-2-6">How Common Is Hypomagnesemia?</a></li><li><a href="#091e9c5e822ce742-2-7">Can Hypomagnesemia Cause Long-Term Problems?</a></li><li class="item-button"></li></ul></aside><div class="reading-wrapper"><div class="readtime"><span>3 min read</span></div><div id="audio-placeholder-091e9c5e822ce742"></div></div><div class="article__body" data-metrics-module="embd-lnk"><div class="article-page active-page" data-page="1"><section><p>Hypomagnesemia means you have a low level of magnesium in the blood. </p><p><a href="https://www.webmd.com/diet/ss/slideshow-diet-magnesium">Magnesium</a> is a mineral that is very important for health. Your body contains about 25 grams of magnesium. Most of it is in your bones and soft tissues. Only about 1% is in your blood. The easiest way to <a href="https://www.webmd.com/a-to-z-guides/magnesium-test">measure magnesium</a> in the body is to test the blood. If the level of magnesium in your blood falls below 0.75 mmol/L, you have low magnesium or hypomagnesemia.</p></section><section><h2 class="jumplink-headers" id="091e9c5e822ce742-1-2">What Are the Causes of Hypomagnesemia?</h2><p>Hypomagnesemia can be caused by a low intake of magnesium. It can also happen when too much magnesium is lost through the kidneys or intestines. The following groups are at high risk for losing too much magnesium in this way:</p><ul><li>People with gastrointestinal problems such as <a href="https://www.webmd.com/ibd-crohns-disease/crohns-disease/treat-21/live/video-what-is-crohns">Crohn's disease</a> or celiac disease</li><li>People with type 2 diabetes, whose kidneys typically excrete more urine</li><li>Those who <a href="https://www.webmd.com/mental-health/addiction/understanding-alcohol-abuse-basics#1">overuse alcohol</a>, causing problems with the kidneys and digestive system</li></ul><p>Hypomagnesemia may also result from the use of certain medications:</p><ul><li>Some diuretics, which are used to help the body get rid of excess fluid and salt</li><li>Proton pump inhibitors, which treat <a href="https://www.webmd.com/heartburn-gerd/default.htm">acid reflux</a></li><li>A class of antibiotics known as aminoglycosides</li><li>Amphotericin B, a medicine used to treat <a href="https://www.webmd.com/skin-problems-and-treatments/fungal-infections-directory">fungal infections</a></li><li>Digitalis, a heart medication</li><li>Certain chemotherapy drugs</li></ul></section><section><h2 class="jumplink-headers" id="091e9c5e822ce742-1-3">What Are the Symptoms of Hypomagnesemia?</h2><p>Symptoms of hypomagnesemia include:</p><ul><li>Nausea and/or vomiting</li><li>Weakness and sleepiness</li><li>Personality changes</li><li>Muscle spasms or <a href="https://www.webmd.com/brain/tremors-directory">tremors</a></li><li>Loss of appetite </li></ul><p>Doctors may also suspect hypomagnesemia if a person has low levels of calcium and potassium in the blood.</p></section><section><h2 class="jumplink-headers" id="091e9c5e822ce742-1-4">How Is Hypomagnesemia Treated?</h2><p>When magnesium is so low that it causes symptoms, doctors give magnesium intravenously. They may prescribe oral magnesium as a follow-up treatment. Hypomagnesemia treatment should also include addressing the underlying cause.</p><p>When magnesium levels are slightly low and do not cause symptoms, treatment may not be necessary. In hospitalized patients, low magnesium levels should be addressed as part of total nutrition management. Those who are being fed through a vein may need magnesium supplements.</p><p>It's unclear whether treatment is necessary for those with diabetes who have mild hypomagnesemia. At least one study found that those with low magnesium are at greater risk of diabetes complications, such as foot ulcers, vision problems, and a decrease in kidney function. Some experts believe hypomagnesemia worsens <a href="https://www.webmd.com/diabetes/insulin-resistance-syndrome">insulin resistance</a>, which in turn worsens hypomagnesemia, creating a downward spiral.</p></section></div><div class="article-page " data-page="2"><section><h2 class="jumplink-headers" id="091e9c5e822ce742-2-5">If I Have Hypomagnesemia, Should I Take Magnesium Supplements?</h2><p>Food is the best way to meet the body's need for magnesium. The following <a href="https://www.webmd.com/diet/foods-high-in-magnesium#1">foods are rich in magnesium</a>:</p><ul><li>Nuts</li><li>Seeds</li><li><a href="https://www.webmd.com/food-recipes/ss/slideshow-whole-grains">Whole grains</a></li><li>Beans and peas</li><li>Green vegetables</li></ul><p>If you choose to take magnesium supplements, stay below the upper limit for magnesium supplementation, which is 350 mg for most adults. High doses of magnesium can be dangerous. </p></section><section><h2 class="jumplink-headers" id="091e9c5e822ce742-2-6">How Common Is Hypomagnesemia?</h2><p>For most people, the risk of hypomagnesemia is about 2%. The risk is higher for certain groups. Hospitalized patients have a 10% to 20% chance of hypomagnesemia. That risk rises to about 50%-60% for people in hospital intensive care units. People with diabetes have about a 25% chance of hypomagnesemia, and those who overuse alcohol have a 30%- 80% risk.</p></section><section><h2 class="jumplink-headers" id="091e9c5e822ce742-2-7">Can Hypomagnesemia Cause Long-Term Problems?</h2><p>If left untreated, hypomagnesemia can cause the heart to beat irregularly. You could be especially at risk for torsades de pointes, a type of <a href="https://www.webmd.com/heart-disease/atrial-fibrillation/heart-disease-abnormal-heart-rhythm">arrhythmia</a> (uneven heartbeat). </p><p>Low levels of magnesium could also increase your risk of:</p><ul><li><strong>Heart disease.</strong> Some studies show that people who have enough magnesium in their diets are at a lower risk of heart disease and <a href="https://www.webmd.com/stroke/default.htm">stroke</a>. </li><li><strong>Type 2 diabetes. </strong>People with higher levels of magnesium have a lower risk of insulin resistance, which can lead to type 2 diabetes.</li><li><a href="https://www.webmd.com/osteoporosis/default.htm"><strong>Osteoporosis</strong></a> (thinning bones). Magnesium is important for bone density. Low magnesium is related to osteoporosis, which can increase your risk of bone fractures.</li><li><strong>Migraine headaches.</strong> Those who have <a href="https://www.webmd.com/migraines-headaches/magnesium-migraine">migraine headaches</a> sometimes have low magnesium. They may be able to reduce their headache frequency by taking magnesium supplements under the supervision of a doctor. </li></ul></section></div></div><div class="related-articles" data-metrics-module="cwnav-art" data-metrics-sel="li"></div><footer><div class="pub-info-and-share-bar"><div class="article__publication-sources"><section class="asset-footer"><div class="asset-footer-top"><div class="asset-footer-buttons"><button class="sources-btn">Sources</button><button class="update-history-btn">Update History</button></div><div class="asset-footer-top-share"><div class="module module-social-share-footer" data-e2e="social-sharebar"><div class="socialshare-container" data-metrics-module="fm-shr"><div class="share-footer-container"><div class="share-text">Share</div><div class="icon-sb-footer-svg icon-sb-footer-share"><svg class="icon-sb-footer-svg" width="18" height="20" viewbox="0 0 18 20" fill="none" xmlns="https://www.w3.org/2000/svg"><path class="icon-sb-footer-svg" d="M15 20C14.1667 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2.2875 7.2875C2.09583 7.47917 2 7.71667 2 8V12H4V10H16V12H18Z" fill="#3557FF" data-v-00aa1eb2></path></svg></div></div></div><div class="save-container"><div class="auth-overlay-popup-holder" data-v-28242611><div class="bookmark-holder drug-generic-name" data-metrics-module="bkmk" data-v-28242611></div></div></div></div></div><div class="asset-footer-content"><div class="sources-section" style="display:none;"><div class="sources-wrapper" data-metrics-module="src"><p>‌SOURCES:</p><p><i>Diabetes:</i> "Hypomagnesemia in Type 2 Diabetes: A Vicious Circle?" </p><p>Gragossian, A., Bashir, K., Friede, R. <i>StatPearls</i>, "Hypomagnesemia," StatPearls Publishing, 2021. </p><p><i>Journal of the American Society of Nephrology:</i> "Clinical Consequences and Management of Hypomagnesemia."</p><p>Merck Manual Consumer Version: "Hypomagnesemia (Low Level of Magnesium in the Blood)."</p><p>National Institutes of Health: "Magnesium: Fact Sheet for Consumers," "Magnesium: Fact Sheet for Health 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I'm a freelance writer and former English teacher with a Literature degree from the University of Houston Clear Lake. I was the original Grandparentiing Expert for About.com, now DotDash, and I've written a book for grandparents that was published by Family Tree Books. In the last year, I've focused on the health and wellness market, but I've also done many product reviews and lifestyle pieces. My research skills are top-notch due to my academic background, which also helps me turn out error-free content."}\"\u003ESusan Adcox here! I'm a freelance writer and former English teacher with a Literature degree from the University of Houston Clear Lake. I was the original Grandparentiing Expert for About.com, now DotDash, and I've written a book for grandparents that was published by Family Tree Books. In the last year, I've focused on the health and wellness market, but I've also done many product reviews and lifestyle pieces. My research skills are top-notch due to my academic background, which also helps me turn out error-free content.\u003C\u002Fspan\u003E\u003C\u002Fp\u003E"},"related_links_header":"","related_links_text":{"#cdata-section":""}}},"link_friendlyurl":"https:\u002F\u002Fwww.webmd.com\u002Fbio\u002Fsusan-adcox"}}},"wbmd_bus_ref":{"wbmd_disp_nm":"Medical Reference"},"wbmd_cpyrt":{"wbmd_copyright":{"wbmd_copyright_statement":"© WebMD, LLC. All rights reserved."}},"wbmd_prim_med_revr":{"aspen_id":"dacd9094-ad45-4f18-8843-f6093a678654","wbmd_first_nm":"Dan","wbmd_middle_name":"","wbmd_lst_nm":"Brennan","wbmd_person_prof_ttl":"","wbmd_bio_obj_id":{"directive":"friendlyurl","object_type":"wbmd_cons_article","chronic_id":"091e9c5e809f139d","legacy_id":"091e9c5e809f139d","link_friendlyurl":"https:\u002F\u002Fwww.webmd.com\u002Fbio\u002Fdan-brennan","content_section":{"cons_bio":{"title":"Dan Brennan, MD","bio_text":{"#cdata-section":"\u003Cp\u003EDan Brennan, MD, is an award-winning, board-certified pediatrician, lactation counselor, husband, and proud father of three boys in Santa Barbara, Calif.\u003C\u002Fp\u003E\u003Cp\u003EDr. Brennan is an accomplished health care columnist, a public speaker, and a contributing writer for the American Academy of Pediatrics' web site, HealthyChildren.org. He is a pediatric expert for the WebMD Baby’s First Year Community and a WebMD medical editor. Brennan has been featured in medical publications, newspapers, Internet parenting sites, local television, radio, and national parenting magazines including \u003Ci\u003EParenting, Baby Talk, American Baby\u003C\u002Fi\u003E and \u003Ci\u003EPregnancy\u003C\u002Fi\u003E. Brennan has also served as a medical consultant for the hit USA television show \u003Ci\u003EBurn Notice\u003C\u002Fi\u003E.\u003C\u002Fp\u003E\u003Cp\u003EBrennan has special interests in the areas of newborn care, breastfeeding, health education, and childhood nutrition. In 2002, he co-created CHAMP, a childhood nutrition, exercise, and education program.\u003C\u002Fp\u003E\u003Cp\u003EBrennan earned his Bachelor of Science degree from UCLA and his medical degree from Albany Medical College. He completed his pediatric internship and residency at Cedars-Sinai Medical Center. He practices general pediatrics in Santa Barbara.\u003C\u002Fp\u003E\u003Cp\u003EIn his spare time, Brennan is an avid distance-runner, cyclist, community volunteer, and coach of his sons' soccer, basketball, and Little League teams.\u003C\u002Fp\u003E"},"person_photo":{"directive":"imageurl","_chronic_id":"230d3a3d-b015-40ba-bfe9-51d79122b021","path":"\u002Fwebmd\u002Fconsumer_assets\u002Fsite_images\u002Farticles\u002Fbiographies\u002Fbrennan_dan_382x382.jpg","object_type":"wbmd_cons_img"},"related_links_header":"","related_links_text":{"#cdata-section":""}}}},"wbmd_person_suffix_group":{"wbmd_person_suffix":{"object_type":"wbmd_lookup","wbmd_lookup_type":"person_suffix","wbmd_storage_val":"48","wbmd_disp_nm":"MD"}},"name":"Dan Brennan, MD","photo":"https:\u002F\u002Fimg.lb.wbmdstatic.com\u002Fvim\u002Flive\u002Fwebmd\u002Fconsumer_assets\u002Fsite_images\u002Farticles\u002Fbiographies\u002Fbrennan_dan_382x382.jpg","bioUrl":"https:\u002F\u002Fwww.webmd.com\u002Fbio\u002Fdan-brennan","intro":"","header":""},"wbmd_prim_revw_dt":"02\u002F20\u002F2024 00:00:00","wbmd_orig_pub_dt":"11\u002F30\u002F2021 01:00:00","wbmd_first_live_dt":"11\u002F30\u002F2021 00:00:00","wbmd_c_sec_med_revw_dt":"","wbmd_suppress_infinite":"0"}},"module_data":{"content_section":{"cons_health_ref":{"title":"What Is Hypomagnesemia?","section_groups":{"#cdata-section":"\u003Csection_group\u003E\u003Cpagebreak type=\"mobile\" order=\"1\" \u002F\u003E\u003Cpagebreak type=\"desktop\" order=\"1\" \u002F\u003E\u003Csection_header\u003E\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EHypomagnesemia means you have a low level of magnesium in the blood. \u003C\u002Fp\u003E\u003Cp\u003E\u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fdiet\u002Fss\u002Fslideshow-diet-magnesium\"\u003EMagnesium\u003C\u002Fa\u003E is a mineral that is very important for health. Your body contains about 25 grams of magnesium. Most of it is in your bones and soft tissues. Only about 1% is in your blood. The easiest way to \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fa-to-z-guides\u002Fmagnesium-test\"\u003Emeasure magnesium\u003C\u002Fa\u003E in the body is to test the blood. If the level of magnesium in your blood falls below 0.75 mmol\u002FL, you have low magnesium or hypomagnesemia.\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Csection_header\u003EWhat Are the Causes of Hypomagnesemia?\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EHypomagnesemia can be caused by a low intake of magnesium. It can also happen when too much magnesium is lost through the kidneys or intestines. The following groups are at high risk for losing too much magnesium in this way:\u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003EPeople with gastrointestinal problems such as \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fibd-crohns-disease\u002Fcrohns-disease\u002Ftreat-21\u002Flive\u002Fvideo-what-is-crohns\"\u003ECrohn's disease\u003C\u002Fa\u003E or celiac disease\u003C\u002Fli\u003E\u003Cli\u003EPeople with type 2 diabetes, whose kidneys typically excrete more urine\u003C\u002Fli\u003E\u003Cli\u003EThose who \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fmental-health\u002Faddiction\u002Funderstanding-alcohol-abuse-basics#1\"\u003Eoveruse alcohol\u003C\u002Fa\u003E, causing problems with the kidneys and digestive system\u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003Cp\u003EHypomagnesemia may also result from the use of certain medications:\u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003ESome diuretics, which are used to help the body get rid of excess fluid and salt\u003C\u002Fli\u003E\u003Cli\u003EProton pump inhibitors, which treat \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fheartburn-gerd\u002Fdefault.htm\"\u003Eacid reflux\u003C\u002Fa\u003E\u003C\u002Fli\u003E\u003Cli\u003EA class of antibiotics known as aminoglycosides\u003C\u002Fli\u003E\u003Cli\u003EAmphotericin B, a medicine used to treat \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fskin-problems-and-treatments\u002Ffungal-infections-directory\"\u003Efungal infections\u003C\u002Fa\u003E\u003C\u002Fli\u003E\u003Cli\u003EDigitalis, a heart medication\u003C\u002Fli\u003E\u003Cli\u003ECertain chemotherapy drugs\u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Cpagebreak type=\"mobile\" order=\"2\" \u002F\u003E\u003Csection_header\u003EWhat Are the Symptoms of Hypomagnesemia?\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003ESymptoms of hypomagnesemia include:\u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003ENausea and\u002For vomiting\u003C\u002Fli\u003E\u003Cli\u003EWeakness and sleepiness\u003C\u002Fli\u003E\u003Cli\u003EPersonality changes\u003C\u002Fli\u003E\u003Cli\u003EMuscle spasms or \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fbrain\u002Ftremors-directory\"\u003Etremors\u003C\u002Fa\u003E\u003C\u002Fli\u003E\u003Cli\u003ELoss of appetite \u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003Cp\u003EDoctors may also suspect hypomagnesemia if a person has low levels of calcium and potassium in the blood.\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Csection_header\u003EHow Is Hypomagnesemia Treated?\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EWhen magnesium is so low that it causes symptoms, doctors give magnesium intravenously. They may prescribe oral magnesium as a follow-up treatment. Hypomagnesemia treatment should also include addressing the underlying cause.\u003C\u002Fp\u003E\u003Cp\u003EWhen magnesium levels are slightly low and do not cause symptoms, treatment may not be necessary. In hospitalized patients, low magnesium levels should be addressed as part of total nutrition management. Those who are being fed through a vein may need magnesium supplements.\u003C\u002Fp\u003E\u003Cp\u003EIt's unclear whether treatment is necessary for those with diabetes who have mild hypomagnesemia. At least one study found that those with low magnesium are at greater risk of diabetes complications, such as foot ulcers, vision problems, and a decrease in kidney function. Some experts believe hypomagnesemia worsens \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fdiabetes\u002Finsulin-resistance-syndrome\"\u003Einsulin resistance\u003C\u002Fa\u003E, which in turn worsens hypomagnesemia, creating a downward spiral.\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Cpagebreak type=\"mobile\" order=\"3\" \u002F\u003E\u003Cpagebreak type=\"desktop\" order=\"2\" \u002F\u003E\u003Csection_header\u003EIf I Have Hypomagnesemia, Should I Take Magnesium Supplements?\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EFood is the best way to meet the body's need for magnesium. The following \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fdiet\u002Ffoods-high-in-magnesium#1\"\u003Efoods are rich in magnesium\u003C\u002Fa\u003E:\u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003ENuts\u003C\u002Fli\u003E\u003Cli\u003ESeeds\u003C\u002Fli\u003E\u003Cli\u003E\u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Ffood-recipes\u002Fss\u002Fslideshow-whole-grains\"\u003EWhole grains\u003C\u002Fa\u003E\u003C\u002Fli\u003E\u003Cli\u003EBeans and peas\u003C\u002Fli\u003E\u003Cli\u003EGreen vegetables\u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003Cp\u003EIf you choose to take magnesium supplements, stay below the upper limit for magnesium supplementation, which is 350 mg for most adults. High doses of magnesium can be dangerous. \u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Csection_header\u003EHow Common Is Hypomagnesemia?\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EFor most people, the risk of hypomagnesemia is about 2%. The risk is higher for certain groups. Hospitalized patients have a 10% to 20% chance of hypomagnesemia. That risk rises to about 50%-60% for people in hospital intensive care units. People with diabetes have about a 25% chance of hypomagnesemia, and those who overuse alcohol have a 30%- 80% risk.\u003C\u002Fp\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E\u003Csection_group\u003E\u003Csection_header\u003ECan Hypomagnesemia Cause Long-Term Problems?\u003C\u002Fsection_header\u003E\u003Csection_text\u003E\u003Cp\u003EIf left untreated, hypomagnesemia can cause the heart to beat irregularly. You could be especially at risk for torsades de pointes, a type of \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fheart-disease\u002Fatrial-fibrillation\u002Fheart-disease-abnormal-heart-rhythm\"\u003Earrhythmia\u003C\u002Fa\u003E (uneven heartbeat). \u003C\u002Fp\u003E\u003Cp\u003ELow levels of magnesium could also increase your risk of:\u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003E\u003Cstrong\u003EHeart disease.\u003C\u002Fstrong\u003E Some studies show that people who have enough magnesium in their diets are at a lower risk of heart disease and \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fstroke\u002Fdefault.htm\"\u003Estroke\u003C\u002Fa\u003E. \u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EType 2 diabetes. \u003C\u002Fstrong\u003EPeople with higher levels of magnesium have a lower risk of insulin resistance, which can lead to type 2 diabetes.\u003C\u002Fli\u003E\u003Cli\u003E\u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fosteoporosis\u002Fdefault.htm\"\u003E\u003Cstrong\u003EOsteoporosis\u003C\u002Fstrong\u003E\u003C\u002Fa\u003E (thinning bones). Magnesium is important for bone density. Low magnesium is related to osteoporosis, which can increase your risk of bone fractures.\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EMigraine headaches.\u003C\u002Fstrong\u003E Those who have \u003Ca link_friendlyurl=\"https:\u002F\u002Fwww.webmd.com\u002Fmigraines-headaches\u002Fmagnesium-migraine\"\u003Emigraine headaches\u003C\u002Fa\u003E sometimes have low magnesium. They may be able to reduce their headache frequency by taking magnesium supplements under the supervision of a doctor. \u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003C\u002Fsection_text\u003E\u003Chighlights\u003E\u003C\u002Fhighlights\u003E\u003Cpull_quotes\u003E\u003C\u002Fpull_quotes\u003E\u003C\u002Fsection_group\u003E"},"citations":{"#cdata-section":"\u003Cp\u003E‌SOURCES:\u003C\u002Fp\u003E\u003Cp\u003E\u003Ci\u003EDiabetes:\u003C\u002Fi\u003E \"Hypomagnesemia in Type 2 Diabetes: A Vicious Circle?\" \u003C\u002Fp\u003E\u003Cp\u003EGragossian, A., Bashir, K., Friede, R. \u003Ci\u003EStatPearls\u003C\u002Fi\u003E, \"Hypomagnesemia,\" StatPearls Publishing, 2021. \u003C\u002Fp\u003E\u003Cp\u003E\u003Ci\u003EJournal of the American Society of Nephrology:\u003C\u002Fi\u003E \"Clinical Consequences and Management of Hypomagnesemia.\"\u003C\u002Fp\u003E\u003Cp\u003EMerck Manual Consumer Version: \"Hypomagnesemia (Low Level of Magnesium in the Blood).\"\u003C\u002Fp\u003E\u003Cp\u003ENational Institutes of Health: \"Magnesium: Fact Sheet for Consumers,\" \"Magnesium: Fact Sheet for Health Professionals.\"\u003C\u002Fp\u003E\u003Cp\u003EShrimanker, I., Bhattarai, S. \u003Ci\u003EStatPearls\u003C\u002Fi\u003E, “Electrolytes,” StatPearls Publishing, 2021. \u003C\u002Fp\u003E"},"related_links_header":"","related_links_text":{"#cdata-section":""}}}}}},"staticPublicPath":"\u002Fstatic_vue\u002F091e9c5e81e4870f\u002Fclient\u002F","isInteractivePage":false},"flow":{"flowInfo":false},"quiz":{"rmq":{}}}</script> <script>window.__INITIAL_STATE__.route.hash = window.location.hash; window.__INITIAL_STATE__.route.fullPath = window.location.pathname; window.__INITIAL_STATE__.route.path = window.location.pathname; if(window.location.search !== ""){ var search = window.location.search.substring(1); window.__INITIAL_STATE__.route.query=JSON.parse('{"' + search.replace(/&/g, '","').replace(/=/g,'":"') + '"}', function(key, value) { return key===""?value:decodeURIComponent(value) }) } else {window.__INITIAL_STATE__.route.query={};}</script><script>try{var _comscore=_comscore||[];_comscore.push({c1:'2',c2:'6035829',options:{enableFirstPartyCookie:!0}}),function(){var e=document.createElement('script'),o=document.getElementsByTagName('script')[0];e.async=!0,e.src='https://sb.scorecardresearch.com/cs/6035829/beacon.js',o.parentNode.insertBefore(e,o),window.__INITIAL_STATE__?window.document.addEventListener('before_pv',function(){window.document.addEventListener('onAdobeOmniBeforePv',function(){window.biConsumerIsReady&&self.COMSCORE&&COMSCORE.beacon({c1:'2',c2:'6035829',options:{enableFirstPartyCookie:!0}})})},{once:!0}):window.document.addEventListener('onAdobeOmniBeforePv',function(){self.COMSCORE&&COMSCORE.beacon({c1:'2',c2:'6035829',options:{enableFirstPartyCookie:!0}})})}()}catch(e){}</script><noscript><img src='https://sb.scorecardresearch.com/p?c1=2&c2=6035829&cv=3.9.1&cj=1'></noscript>  <script id="cookieConsentScriptNonEU" async="async" src="https://img.lb.wbmdstatic.com/webmd_static_vue/file-explorer/webmd/consumer_assets/site_images/webmd-ccm/webmd-ccm-lite.min.js"></script><script type="text/javascript" async="async" importance="high" src="https://securepubads.g.doubleclick.net/tag/js/gpt.js" id="GPT_JS"></script><script>window.webmd.googleloaded = true; window.googleloaded = true; </script> <script>window.performance.mark('page-end');</script> <link rel="stylesheet" href="//img.lb.wbmdstatic.com/webmd_static_vue/091e9c5e81e4870f/client/css/non-critical-1732570847611.f64d91a6.css"> <link rel="stylesheet" href="//img.lb.wbmdstatic.com/webmd_static_vue/091e9c5e81e4870f/client/css/pagetype-oncology-1732570847611.b84c3554.css"> </body> </html>