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class="sharebarContainer"><a id="sharebarLink" class="link-sharebar" href="#overlaySharebar" rel="#overlaySharebar"></a></div> </header> <nav class="hl-tab-navigation"> <div class="hl-arrow-tabnav hl-left-arrow-tabnav hl-icon-left-arrow"></div> <div class="hl-lpipe-tabnav"></div> <div class="hl-tabs-tabnav"> <ul> <li><a href="#Overview">Overview</a></li> <li><a href="#Benefits">Benefits</a></li> <li><a href="#Risks">Risks</a></li> <li><a href="#Preparation">Preparation</a></li> <li><a href="#Administration">Administration</a></li> <li><a href="#Results">Results</a></li> </ul></div> <div class="hl-rpipe-tabnav"></div> <div class="hl-arrow-tabnav hl-right-arrow-tabnav hl-icon-right-arrow"></div> </nav> <div class="grid648"> <div id="fb-root"></div> <script>window.fbAsyncInit = function() { FB.init({ appId : '1529595680591919', xfbml : true, version : 'v2.1' }); }; (function(d, s, id){ var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) {return;} js = d.createElement(s); js.id = id; js.src = "//connect.facebook.net/en_US/sdk.js"; fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk'));</script> <div itemscope itemtype="http://schema.org/Article" class="container-article"> <article class="hl-article-toc"> <h2 id="TOC_TITLE_HDR_1" class="content_head"><a name="Overview"></a>What Is Blood Glucose Monitoring?</h2><div id="TOC_TITLE_1" class="content_body"> <p>Testing your blood sugar is an important part of managing your diabetes. Knowing your blood glucose levels helps you make decisions about your <A id="hllink8" class="hllink hllink-auto" href="http://www.healthline.com/health/diabetes">diabetes</A> management plan.</p> <p>Blood glucose testing can be done using a portable blood glucose monitor called a glucometer. The test involves pricking your finger to obtain a small blood sample for the glucometer to analyze. </p> <p>Blood glucose monitoring kits and supplies are available from your doctor or diabetes educator or for purchase at pharmacies and online. Glucose meters come with testing strips, small needles (or lancets) to prick your finger, and a device to hold the needle. They may come with either a logbook in which you can record your blood glucose results or ways to automatically download the readings into your computer.</p> <p>Meters vary in cost and size, and they may come with different special features to suit different needs, including:</p> <ul><li>audio capabilities for people with vision impairments</li><li>backlit screens to aid visibility in low light</li><li>additional memory or data storage</li><li>different handling capabilities, such as having the strips store in the meter, or having a USB meter </li></ul> </div> <h2 id="TOC_TITLE_HDR_2" class="content_head"><a name="Benefits"></a>What Are the Benefits of Blood Glucose Monitoring?</h2><div id="TOC_TITLE_2" class="content_body"> <p>Blood glucose monitoring can help you manage your diabetes and can help you make important decisions about your medication dosage, exercise, and diet. Monitoring can help you identify when your blood sugar is too high or too low.</p> <p>Your doctor will calculate the target range for your blood glucose based on your age, your type of diabetes, your overall health, and other factors. It is important to keep your glucose levels within your target range because high blood sugar levels, if untreated, can lead to the chronic complications sometimes seen with diabetes, such as <A id="hllink199" class="hllink hllink-auto" href="http://www.healthline.com/health/heart-disease">heart disease</A>, nerve damage, and kidney disease.</p> <p>Low blood sugar levels, on the other hand, can cause a variety of symptoms from mild to moderate confusion and weakness to serious acute complications such as coma.</p> <p>For people with <A id="hllink220" class="hllink hllink-auto" href="http://www.healthline.com/health/type-1-diabetes">type 1 diabetes</A>, testing may be required three or more times a day. This includes before and after meals and <A id="hllink223" class="hllink hllink-auto" href="http://www.healthline.com/health/fitness-exercise">exercise</A>, and more often when you are sick. </p> <p>For people with <A id="hllink226" class="hllink hllink-auto" href="http://www.healthline.com/health/type-2-diabetes">type 2 diabetes</A>, when and how often to test will be defined by your doctor or health care professional.</p> <p>Regular glucose monitoring can help people with diabetes learn more about their condition and how their blood glucose levels are affected by activities and conditions, including diet, exercise, illness, and stress.</p> <p>Blood glucose monitoring can also help to alert you if your blood glucose levels become dangerously high or low. </p> </div> <h2 id="TOC_TITLE_HDR_3" class="content_head"><a name="Risks"></a>What Are the Risks of Blood Glucose Monitoring?</h2><div id="TOC_TITLE_3" class="content_body"> <p>There is a risk of spreading blood-borne illness if you share insulin needles and testing supplies with someone else. You should never share needles or finger-stick devices for any reason. </p> <p>Risks from the blood glucose test, which are minimal, are substantially lower than the risk of not monitoring your blood sugar levels. </p> </div> <h2 id="TOC_TITLE_HDR_4" class="content_head"><a name="Preparation"></a>How to Prepare for Blood Glucose Monitoring </h2><div id="TOC_TITLE_4" class="content_body"> <p>Before checking your blood glucose levels, make sure that you have all the necessary equipment:</p> <ul> <li>finger-stick device to prick your finger</li> <li>alcohol swab to sterilize the puncture site</li> <li>blood glucose monitor</li> </ul> <p>Also, depending on the type of test you are taking, you may need to adjust your meal schedule. Your doctor may recommend taking a test after fasting for a time.</p> </div> <h2 id="TOC_TITLE_HDR_5" class="content_head"><a name="Administration"></a>How Is Blood Glucose Monitoring Performed?</h2><div id="TOC_TITLE_5" class="content_body"> <p>Before you begin, wash your hands thoroughly to prevent infection at the finger-prick site. If you use alcohol wipes instead of washing, be sure to let the site dry completely before testing. </p> <p>Then put a testing strip into the meter. Prick your finger with the lancet to get a small drop of blood. Use the sides of the fingertips instead of the tip itself to decrease finger discomfort.</p> <p>You will apply the blood to a special test strip that you’ve inserted into the meter. Your monitor will give you your blood glucose reading on its digital display. </p> <p>Finger pricks rarely require a bandage, but you may want to use one if <A id="hllink462" class="hllink hllink-auto" href="http://www.healthline.com/health/bleeding">bleeding</A> continues beyond a few drops. It’s important to follow all the instructions that came with your glucometer to ensure accurate results. </p> </div> <h2 id="TOC_TITLE_HDR_6" class="content_head"><a name="Results"></a>What Are the Results of Blood Glucose Monitoring?</h2><div id="TOC_TITLE_6" class="content_body"> <p>The American Association of Clinical Endocrinologists recommends fasting and pre-meal glucose values of less than 110 mg/dL, and two-hour post meal values under 140 mg/dL.</p> <p>Talk to your healthcare provider about your target levels. </p> <p>Regular blood glucose monitoring can help you identify fluctuations in your blood sugar levels so you can learn how food, exercise, stress, and other factors affect your diabetes.</p> </div></article> <div class="span12 box-share-help-feedback"> <div class="span5"> <div class="box-article-helpful"> <div class="box-helpful-question"> Was this article helpful? <span class="helpful-option-yes">Yes</span> <span class="helpful-option-no">No</span> </div> <div class="box-helpful-confirmation"></div> </div> </div> <div class="span3"> <div class="box-link-feedback"> <span class="icon-email"></span> <a id="feedbackLink" class="link-feedback" href="#feedbackOverlay" rel="#feedbackOverlay">Feedback?</a> </div> <div id="feedbackOverlay" class="overlay-simple overlay-feedback"> <div class="overlay-content"> <div id="feedbackformdiv" class="box-form-feedback"> <form id="feedbackform" action="/v2/widgetemail"> <input type="hidden" name="to" value="hrl"/> <input id="urlfield" type="hidden" name="urlfield" value=""/> <h2>Send us your feedback</h2> <p class="box-message">We are unable to respond directly to questions, but your feedback is greatly appreciated, and will be taken into account in our ongoing review of our Health Reference Library.<br/></p> <p> <label>Your Name:</label><br/> <input id="nametext" type="text" class="field-name" name="nametext" placeholder="Name Here" /> <span id="box-msg-name" class="box-msg-error"><span class="icon-error">✖</span> <span id="errorMsgName">Please enter your name</span></span> </p> <p> <label>Your Email:</label><br /> <input id="feedbackemail" type="email" class="field-email-address" name="emailaddress" placeholder="name@example.com" /> <span id="box-msg-email" class="box-msg-error"><span class="icon-error">✖</span> <span id="errorMsgEmail">Please enter your email</span></span> </p> <p> <input id="copy" type="checkbox" name="copy"> <label>Send me a copy</label> </p> <p class="box-textarea"> <textarea id="feedbacktextarea" class="field-message" rows="4" cols="60" name="messagetext"></textarea> </p> <div id="charcount" class="textarea-char-count">0</div> <p class="box-buttons"> <button type="button" class="btn-cancel" name="feedbackcancelbutton">Cancel</button> <button class="btn-send-msg">Send Message</button> <span class="box-loading"><img src="http://www.healthline.com/resources/base/images/ajax-loader.gif" alt="" /></span> </p> </form> <p class="box-privacy"><span class="icon-lock"></span> Email addresses will not be shared with 3rd parties. See <a href="http://www.healthline.com/health/privacy-policy" target="_blank">privacy policy</a></p> </div> <div id="thankyou" class="box-thankyou"> <h2><span class="icon-green-checkmark"></span> Thank you.</h2> <p>Your message has been sent.</p> </div> <div id="submissionerror" class="box-submit-error"> <h2>We're sorry, an error occurred.</h2> <p>We are unable to collect your feedback at this time. However, your feedback is important to us. Please try again later.</p> </div> </div><div class="overlay-footer"> <div class="overlay-close">Close</div> </div> </div> </div> </div> <div class="row12 hl-article-references"> <div class="span8"> <div class="hl-article-source "> <p class="references-title">Article Sources:</p> <div class="basesources"> <ul> <li>Blood glucose monitoring. (2010, April 19). <em>MedlinePlus.</em> Retrieved May 24, 2012, from http://www.nlm.nih.gov/medlineplus/ency/article/003438.htm  </li> <li><A id="hllink577" class="hllink hllink-auto" href="http://www.healthline.com/health/blood-sugar-tests">Blood sugar testing</A>: Why, when and how. (2011, June 9). <em>Mayo Clinic.</em> Retrieved May 24, 2012, from <a href="http://www.mayoclinic.com/health/blood-sugar/DA00007">http://www.mayoclinic.com/health/blood-sugar/DA00007</a>  </li> <li>Continuous Glucose Monitoring. (October 2008). <em>National Diabetes Information Clearinghouse. </em>Retrieved May 24, 2012, from <a href="http://diabetes.niddk.nih.gov/dm/pubs/glucosemonitor/index.aspx">http://diabetes.niddk.nih.gov/dm/pubs/glucosemonitor/index.aspx</a> </li> <li>Infection Prevention during Blood Glucose Monitoring and Insulin Administration. (2011, March 2). <em>U.S. Centers for Disease Control and Prevention. </em>Retrieved May 24, 2012, from <a href="http://www.cdc.gov/injectionsafety/blood-glucose-monitoring.html">http://www.cdc.gov/injectionsafety/blood-glucose-monitoring.html</a> </li> <li>Handelsman, Y., Mechanick, J.I., Blonde, L., Grunberger, G., et al. (March/April 2011). American Association of Clinical Endocrinologists medical guidelines for clinical practice for developing a diabetes mellitus comprehensive care plan. <em>Endocrine Practice, 17</em>(2), 17. Retrieved April 2, 2014, from <a href="https://www.aace.com/files/dm-guidelines-ccp.pdf">https://www.aace.com/files/dm-guidelines-ccp.pdf</a></li></ul></div> <div class="morebox"> <div id="moresources" style="display:none"> <ul class="morelist"></ul> </div> <a href="#" id="showmoresources">Show all</a> </div> </div><!-- end of article source block --> </div><!-- article source span --> <div class="span4"> <div class="box-hrl-logo-src"> <div class="hrl-logo"></div> </div> </div><!-- hrl logo span --> </div><!-- row12 --> <div class="toc-content-promotion"> <!--hl-linking-ignore-start--> <div class="overlay-content-promotion"> <div class="content-promotion-header"> <div class="triangle"></div> <div class="content-promotion-title"> <p class="content-promotion-title-text">More on Healthline</p> </div> <div class="content-promotion-close"><a href="#" class="link-close-overlay-content-promotion"></a></div> </div> <div class="content-promotion-stories"> <div class="content-promotion-story click-link" data="/health-slideshow/symptoms-related-to-ra"> <div class="content-promotion-title">Numbness, Muscle Pain and Other RA Symptoms</div> <div class="content-promotion-image"> <a title="Numbness, Muscle Pain and Other RA Symptoms" href="http://www.healthline.com/health-slideshow/symptoms-related-to-ra"><img src="http://www.healthline.com/hlcmsresource/images/slideshow/Symptoms-related-to-ra/194x105_RA_Numbness_Muscle_Pain_And_Other_Symptoms_1.jpg" alt="Numbness, Muscle Pain and Other RA Symptoms"/></a> </div> <div class="content-promotion-text"> <div class="content-promotion-disclaimer">The symptoms of RA are more than just joint pain and stiffness. 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HLSHAREBAR.page_description : ''), email_page_url: HLSHAREBAR.email_page_url, email_page_title: HLSHAREBAR.email_page_title //page_image: page_image }); }); }); </script> <script> require([ "base/title-area", "base/overlay" ], function( WidgetTitleArea, AppOverlay ){ WidgetTitleArea.initialize(); var onBeforeLoadFunc = function() { $('.hl-main-content').css('z-index','auto'); }; var cfgOverlay = { maskColor: '#555555', maskLoadSpeed: 200, maskOpacity: 0.5, maskZindex: 9999999, top: "center", left: "center", close: ".overlay-close", onBeforeLoad: onBeforeLoadFunc }; AppOverlay.initialize( cfgOverlay ); }); require([ "base/rwd/title-area" ], function( WidgetTitleAreaResponsive ){ WidgetTitleAreaResponsive.initialize({ pubDateExists: true, medReviewDateExists: true, medReviewedBy: 'Peggy Pletcher, MS, RD, LD, CDE', reviewDate: '16 April 2014' }); }); </script> <script> require([ "base/tab-navigation" ], function( WidgetTabNavigation ){ var promoTitle = "", partnerId = 28, adRefresh = false, cfg, sponsorDisclaimerOffset = 0, mr1RefreshTime = 4000, isLargeLandscapeImage = false; promoTitle = "More on Healthline"; partnerId = 28; adRefresh = true; if ( $( ".hl-sponsor-disclaimer" ).length ) { sponsorDisclaimerOffset = 78; } cfg = { promoTitle: promoTitle, partnerId: partnerId, contentPromoOffset: 70, sponsorDisclaimerOffset: sponsorDisclaimerOffset, adRefresh: adRefresh, mr1RefreshTime: mr1RefreshTime, isLargeLandscapeImage: isLargeLandscapeImage } WidgetTabNavigation.initialize(cfg); }); </script> <script> require(["jquery","base/overlay","base/feedback"],function($,AppOverlay){ var onBeforeLoadFunc = function() { $('.hl-main-content').css('z-index','auto'); $('#feedbackformdiv').show(); }; var cfgOverlay = { selectorValue: 'feedbackOverlay', maskColor: '#555555', maskLoadSpeed: 200, maskOpacity: 0.5, maskZindex: 9999999, top: "center", left: "center", close: ".overlay-close", onBeforeLoad: onBeforeLoadFunc }; AppOverlay.initialize(cfgOverlay); }); </script> <script> require(['jquery', 'base/content-promotion-widget'],function($, AppContentPromotion){ var config = { contentPromotionParam: '', platformPageType: 'articleTOC' }; AppContentPromotion.initialize(config); }); </script> <script> u_microsoft_adunit_channelids = "" microsoft_adunit_channelids = ""; document.write('<input id="msftChannelIds1" name="msftChannelIds1" type="hidden" value="'+microsoft_adunit_channelids+'">'); require(['jquery',"base/dfpmanager","base/responsive-ads","matchmedia"],function($,AppDfpmanager,AppResponsiveAds){ // determine if mr1 ad is shown on page load var isAdOnPageLoad = true; var breakpointsToHideAd = []; var breakpointsToHideAdByPageType = []; breakpointsToHideAdByPageType = ['768','600','480','320']; isAdOnPageLoad = AppResponsiveAds.getShowAdOnPageLoad("MR1",breakpointsToHideAd,breakpointsToHideAdByPageType); var cfgDfpManager = { isAdOnPageLoad: isAdOnPageLoad, adshost : 'http://ads.healthline.com', adSize: '300x250,300x600', dfpAdSite : 'hn.us.hl.lc.x.x.x', btk1 : '', btk2 : '', kw : 'diabetesmellitus,blood_glucose_self_monitoring,5350251', k1 : 'diabetesmellitus', k2 : 'endocrine', k3 : 'health', pos : 'mr1', ugc : 'false', ac : '', uac : '', akh : 'Blood Glucose Monitoring', aks : '5000', env : '', msiteID : '', adTagPageUrl : encodeURIComponent('/health/blood-glucose-monitoring'), yeildex : 'true', targetsrc : '' }; var mr1timeout = setTimeout(function() { AppDfpmanager.mr1IframeInit(cfgDfpManager); }, 300); }); </script> <script> var rightRailNotSticky = false, isBackToTop = false; rightRailNotSticky = false; require([ "base/article-toc" ], function( AppArticleToc ){ AppArticleToc.initialize({ isArticleHelpful: false, partnerId: 28, titleAreaTop: '60px', tabNavigationTop: '85px', isBackToTop: isBackToTop, tabNavMaxWidth: '1008px', rightRailNotSticky: rightRailNotSticky, tabArticleWidth: 978, stickyTitlePaddingAuto: false, isFbCommentsOn: false, rightRailNotSticky: rightRailNotSticky }); }); var isMsiteId = false; require([ "base/rwd/article-toc" ], function( AppArticleTocRwd ){ AppArticleTocRwd.initialize({ isMsiteId: isMsiteId, adRBTimeDelay: 300 }); }); require([ "base/rwd/sharebar-mobile" ], function( AppSharebarMobile ){ AppSharebarMobile.initialize(); }); require( ['jquery', 'matchmedia'], function( $ ) { $(function() { if( matchMedia('only screen and (max-width: 599px)').matches ) { var contentSectionsLength = $('.content_head').length; //add sharethrough ad div where the ad will be populated via the sharethrough javascript included above //after first section $( '<div data-str-native-key="47d89e59" style="display: none;"></div>' ).insertAfter( $( '#TOC_TITLE_1' ) ); //after last section $( '<div data-str-native-key="f66f2fdd" style="display: none;"></div>' ).insertAfter( $( '#TOC_TITLE_' + contentSectionsLength ) ); // if sharethrough library loaded, then boot up if( typeof STR === 'object' ) { STR.Tag.boot(); } } // test if phone breakpoint }); // dom ready }); // require call </script> <script> require(['jquery',"base/dfpmanager","base/responsive-ads","matchmedia"],function($,AppDfpmanager,AppResponsiveAds){ $(function() { // determine if pb ad is shown on page load var isAdOnPageLoad = true; var breakpointsToHideAd = []; var breakpointsToHideAdByPageType = []; breakpointsToHideAd = ['600','480','320']; var isAdOnPageLoad = AppResponsiveAds.getShowAdOnPageLoad("PB",breakpointsToHideAd,breakpointsToHideAdByPageType); var cfgDfpManager = { isAdOnPageLoad: isAdOnPageLoad, adshost : 'http://ads.healthline.com', logged_in : 'false', dfpAdSite : 'hn.us.hl.lc.x.x.x', btk1 : '', btk2 : '', kw : 'diabetesmellitus,blood_glucose_self_monitoring,5350251', k1 : 'diabetesmellitus', k2 : 'endocrine', k3 : 'health', pos : 'lb', ugc : 'false', ac : '', uac : '', akh : '', aks : '5000', env : '', msiteID : '', adTagPageUrl : encodeURIComponent('/health/blood-glucose-monitoring'), partner : 'healthline', pg_dart_site : 'hn.us.hl.lc.x.x.x', pg_dart_zone : 'diabetesmellitus', pg_k2 : 'endocrine', pHLID : '5350251', HLID : '5350251', visit_type : 'HCviewer', yeildex : 'true', targetsrc : '' }; var pbtimeout = setTimeout(function() { AppDfpmanager.pbIframeInit(cfgDfpManager); }, 300); }); // dom ready }); </script> <script> var HL_adBlankMonitor = function(cfg) { if(cfg.adBlankCodes.length > 0) { for(var i = 0; i < cfg.adBlankCodes.length; i++) { if (typeof HL_ga_sendTrackEvent === 'function') { HL_ga_sendTrackEvent({ gaEventCategory : 'Ad Display', gaEventAction : 'Blank Ad', gaEventLabel : 'adBlankCode=' + cfg.adBlankCodes[i] + '&adspot=' + cfg.adPosition + '&pageUrl=' + window.location.pathname }); } } } }; require(["base/util/visit-tracker"],function(AppVisitTracker){ AppVisitTracker.initialize(); }); </script> <script> require([ 'healthline/newsletter-signup' ], function( newsletterSignup ){ newsletterSignup.setConfig({ newsletterHost: 'newsletter.healthline.com' }); }); </script> <script> /* load module */ require(["healthline/footer"]); </script> </body> </html>