Symptoms of E. coli Infection | E. coli infection

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class="cdc-page-title-bar__item cdc-page-title-bar__item--date" datetime="2024-05-14 04:00:00"> May 14, 2024 </time> </section> <div class="cdc-page-title cdc-page-offset syndicate"> <h1>Symptoms of <em>E. coli</em> Infection</h1> </div> <div id="content" class="cdc-page-content cdc-page-offset syndicate container"> <div class="cdc-dfe-body "> <div class="cdc-dfe-body__top "> <div class="dfe-section dfe-section--page-summary summary-list" data-section="cdc_symptoms_page_summary"> <div class="dfe-section__header"> <h2>Key points</h2> </div> <div class="dfe-section__content"> <ul class="nested-list"> <li class="level-1">This website focuses on the kinds of <em>E. coli</em> that cause diarrhea.<ul> </ul> </li> <li class="level-1">Symptoms depend on the kind of <em>E. coli </em>causing the infection.<ul> </ul> </li> <li class="level-1">Symptoms can include stomach cramps, vomiting, and fever.<ul> </ul> </li> <li class="level-1"><em>E. coli</em> infection can lead to other health problems.<ul> </ul> </li> </ul> </div> <div class="dfe-section__image" id="page-summary-image"> <figure class="dfe-image dfe-image__large"><div class="image-container calculated-ratio-16-9 aspect-ratio-16-9"><img src="/ecoli/media/images/2024/05/DFE-Ecoli-Symptoms-Older-adult-with-stomach-cramps.jpg" alt="An older adult sitting in a chair holding their stomach in pain."></div></figure> </div> <div id="nav-buttons"> </div> </div> </div> <div class="cdc-dfe-body__center "> <div class="dfe-section" data-section="cdc_symptoms_symptoms"> <a class="onThisPageAnchor" id="cdc_symptoms_symptoms-symptoms" name="Symptoms" title="Symptoms"></a><h2>Symptoms</h2> <p>Symptoms depend on the <a href="/ecoli/about/kinds-of-ecoli.html">kind of <em>E. coli</em></a><em></em> causing the infection. </p> <p>Most people with <em>E. coli</em> infection have:</p> <ul class="nested-list"> <li class="level-1">Diarrhea that can be bloody or watery<ul> </ul> </li> <li class="level-1">Stomach cramps that can be severe<ul> </ul> </li> </ul> <p>Some people also have vomiting or a low fever.</p> </div> <div class="dfe-section" data-section="cdc_symptoms_seek_help"> <a class="onThisPageAnchor" id="cdc_symptoms_seek_help-when-to-talk-to-your-doctor" name="When%20to%20talk%20to%20your%20doctor" title="When to talk to your doctor"></a><h2>When to talk to your doctor</h2> <h3>Call your doctor if you have these symptoms</h3> <ul class="nested-list"> <li class="level-1">Diarrhea or vomiting lasting more than 2 days<ul> </ul> </li> <li class="level-1">Bloody poop or pee<ul> </ul> </li> <li class="level-1">A fever higher than 102°F<ul> </ul> </li> <li class="level-1">Signs of dehydration (listed below)<ul> </ul> </li> <li class="level-1">Signs of hemolytic uremic syndrome (listed below)<ul> </ul> </li> </ul> <h3>What to look for</h3> <h4>Dehydration</h4> <p>Dehydration is not having enough fluids in the body. If you have diarrhea or vomiting, be sure to drink plenty of fluids. Dehydration can happen quickly in young children. Give children with diarrhea or vomiting extra fluids, such as Pedialyte<sup>®</sup> or oral rehydration salts. <strong>Do not wait.</strong></p> <p>Sign of dehydration include little or no peeing, having very dark pee, being very thirsty, having a dry mouth or throat, feeling dizzy or lightheaded, and crying without tears.</p> <h4>Hemolytic uremic syndrome</h4> <p>Infection with Shiga toxin-producing <em>E. coli</em> can trigger a serious health condition called <a href="/ecoli/signs-symptoms/hus.html">hemolytic uremic syndrome</a> (HUS). HUS can lead to kidney failure, permanent health problems, and even death.</p> <p><strong>HUS is a medical emergency. </strong>Signs of HUS include little or no peeing, losing pink color in cheeks and inside the lower eyelids, unexplained bruising or rash of tiny red spots, blood in pee, feeling very tired or being irritable (cranky), and decreased awareness (alertness).</p> <p><sub>*The use of trademarks is for identification only and does not imply an endorsement by the Public Health Service or the U.S. Department of Health and Human Services. </sub></p> </div> </div> <div class="cdc-dfe-body__right page-right-rail"> <aside class="page-right-rail__dynamic noindex" role="complementary"> <div data-related-nav></div> </aside> </div> </div> <div data-journey-next></div> <section class="container page-mobile-bar"> <time class="page-mobile-bar__item page-mobile-bar__item--date" datetime="2024-05-14 00:00:00"> May 14, 2024 </time> </section> <div class="page-content-sources noindex"> <div class="page-content-sources__header"> <a data-action="summary" class="collapsed" href="#content-sources" role="button" data-bs-toggle="collapse" aria-expanded="false" aria-controls="content-sources" data-cs-toggle="">Sources</a> <a data-action="print" href="#print" class="d-none d-md-block" aria-label="print this page" onclick="window.print()">Print</a> <a data-action="share" href="#share" data-bs-toggle="dropdown" aria-label="share this page" aria-expanded="false">Share</a> <div class="dropdown-menu page-share-bar" data-popper-placement="bottom-start"> <a href="#" class="page-share-facebook"><span class="cdc-icon-facebook"></span></a> <a href="#" class="page-share-linkedin"><span class="cdc-icon-linkedin"></span></a> <a href="#" class="page-share-twitter"><span class="cdc-icon-twitter"></span></a> <a href="#" class="page-share-syndication"><span class="cdc-icon-rss"></span></a> </div> </div> <div class="page-share-container"> <div class="page-share-popup" id="page-share-popup" role="dialog"> <a target="_blank" title="Share to Facebook" rel="noreferrer noopener" class="page-share-facebook metrics-share-facebook" href="https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.cdc.gov"> <span class="sr-only">Facebook</span> <span class="cdc-icon-facebook-inverse"></span> </a> <a target="_blank" title="Share to LinkedIn" rel="noreferrer noopener" class="page-share-linkedin metrics-share-linkedin" href="https://www.linkedin.com/shareArticle?url=https%3A%2F%2Fwww.cdc.gov&title=Living%20with%20High%20Blood%20Pressure"> <span class="sr-only">LinkedIn</span> <span class="cdc-icon-linkedin-inverse"></span> </a> <a target="_blank" title="Share to Twitter" rel="noreferrer noopener" class="page-share-twitter metrics-share-twitter" href="https://twitter.com/share?url=https%3A%2F%2Fwww.cdc.gov&text=Living%20with%20High%20Blood%20Pressure"> <span class="sr-only">Twitter</span> <span class="cdc-icon-twitter-inverse"></span> </a> <a target="_blank" title="Embed this Page" rel="noreferrer noopener" class="page-share-syndication metrics-share-syndicate" href="https://tools.cdc.gov/medialibrary/index.aspx#/sharecontent/https://https://www.cdc.gov/ecoli/signs-symptoms/index.html"> <span class="sr-only">Syndicate</span> <span class="fi cdc-icon-syndication-round"></span> </a> </div> </div> <div id="content-sources" class="page-content-sources__body accordion-collapse collapse"> <div class="callout callout-content-source" role="status"> <div class="callout-heading">Content Source:</div> <a class="cdc-block-link" href="/ncezid/index.html">National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)</a> </div> </div> </div> <section class="container related-pages related-pages__mobile"> <div data-related-nav-mobile></div> </section> </div> </main> <section class="site-footer container noindex"> <div class="row cdc-footer__inner"> <div class="col-lg-3 site-footer__heading "> <h2> <a href="/ecoli/about/index.html" class="cdc-footer__super-title" aria-label="<em>E. coli</em> Infection (<em>Escherichia coli</em>)"> <span><em>E. coli </em>infection</span> <i class="cdc-icon cdc-fa-light cdc-fa-angle-right"></i> </a> </h2> <p class="cdc-footer__site-desc">Six types of <em>E. coli </em>can cause diarrheal illness in people. 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