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</a><h1 class="with-also" itemprop="name">E coli enteritis</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p><em>E coli</em> enteritis is swelling (inflammation) of the small intestine from <em>Escherichia coli</em> (<em>E coli</em>) bacteria. It is the most common cause of travelers' diarrhea.</p></div><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-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><em>E coli</em> is a type of bacteria that lives in the intestines of humans and animals. Most of the time, it does not cause any problems. However, certain types (or strains) of <em>E coli</em> can cause food poisoning. One strain (<em>E coli</em> O157:H7) can cause a severe case of food poisoning.</p><p>Bacteria may get into your food in different ways:</p><ul><li>Meat or poultry may come into contact with normal bacteria from the intestines of an animal while it is being processed.</li><li>Water used during growing or shipping may contain animal or human waste.</li><li>Food may be handled in an unsafe way during transport or storage.</li><li><a test="test" href="./002434.htm">Unsafe food handling</a> or preparation may occur in grocery stores, restaurants, or homes. </li></ul><p><a test="test" href="./001652.htm">Food poisoning</a> can occur after eating or drinking:</p><ul><li>Food prepared by a person who did not wash hands well</li><li>Food prepared using unclean cooking utensils, cutting boards, or other tools</li><li>Dairy products or food containing mayonnaise (such as coleslaw or potato salad) that have been out of the refrigerator too long</li><li>Frozen or refrigerated foods that are not stored at the proper temperature or are not properly reheated</li><li>Fish or oysters</li><li>Raw fruits or vegetables that have not been washed well</li><li>Raw vegetable or fruit juices and dairy products</li><li>Undercooked meats or eggs</li><li>Water from a well or stream, or city or town water that has not been treated </li></ul><p>Although not common, <em>E coli</em> can be spread from one person to another. This may happen when someone does not wash their hands after a bowel movement and then touches other objects or someone else's hands. </p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Symptoms</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>Symptoms occur when <em>E coli</em> bacteria enter the intestine. Most of the time symptoms develop 24 to 72 hours after being infected. The most common symptom is sudden, severe diarrhea that is often bloody.</p><p>Other symptoms may include:</p><ul><li>Fever</li><li>Gas</li><li>Loss of appetite</li><li>Stomach cramping</li><li>Vomiting (rare) </li></ul><p>Symptoms of a rare but severe <em>E coli</em> infection include:</p><ul><li>Bruises that happen easily</li><li>Pale skin</li><li>Red or bloody urine</li><li>Reduced amount of urine</li><li>Kidney failure</li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Exams and Tests</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>Your health care provider will perform a physical exam. A stool culture or similar test can be done to check for disease-causing <em>E coli</em>.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Treatment</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>Most of the time, you will recover from the most common types of <em>E coli</em> infection within a couple of days. The goal of treatment is to make you feel better and avoid dehydration. Getting enough fluids and learning what to eat will help keep you or your child comfortable.</p><p>You may need to:</p><ul><li><a test="test" href="../patientinstructions/000121.htm">Manage the diarrhea</a></li><li><a test="test" href="../patientinstructions/000122.htm">Control nausea and vomiting</a></li><li>Get plenty of rest </li></ul><p>You can drink oral rehydration mixtures to replace fluids and minerals lost through vomiting and diarrhea. Oral rehydration powder can be purchased from a pharmacy. Be sure to mix the powder in safe water.</p><p>You can make your own rehydration mixture by dissolving one half teaspoon (3 grams) of salt, one half teaspoon (2.5 grams) of baking soda and 4 tablespoons (50 grams) of sugar in 4¼ cups (1 liter) of water.
</p><p>You may need to get fluids through a vein (IV) if you have diarrhea or vomiting and cannot drink or keep enough fluids in your body. You will need to go to your provider's office or the emergency room. </p><p>If you take diuretics ("water pills"), or ACE inhibitors for high blood pressure, contact your provider. You may need to stop taking these medicines while you have diarrhea. Never stop or change medicines without first checking with your provider. You can buy medicines at the drugstore that can help stop or slow diarrhea. Do not use these medicines without checking with your provider if you have bloody diarrhea or a fever. Do not give these medicines to children.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Outlook (Prognosis)</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>Most people will get better in a few days, without treatment. Some uncommon types of <em>E coli </em>can cause severe <a test="test" href="./000560.htm">anemia</a> or kidney failure. </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-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>Contact your provider for an appointment if:</p><ul><li>You are unable to keep down fluids.</li><li>Your diarrhea does not get better in 5 days (2 days for an infant or child), or it gets worse.</li><li>Your child has been vomiting for more than 12 hours (in a newborn under 3 months, call as soon as vomiting or diarrhea begins).</li><li>You have abdominal pain that does not go away after a bowel movement.</li><li>You have a fever above 101°F (38.3°C), or your child has a fever above 100.4°F (38°C) with diarrhea.</li><li>You have recently traveled to a foreign country and developed diarrhea.</li><li>You see blood or pus in your stool.</li><li>You develop symptoms of dehydration, such as not peeing (or dry diapers in a baby), thirst, dizziness, or lightheadedness.</li><li>You develop new symptoms. </li></ul></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>Traveler's diarrhea - E. coli; Food poisoning - E. coli; E. coli diarrhea; Hamburger disease</p></div></div></section><section><div class="section sec-mb"><div class="section-header"><div class="section-title"><h2>Patient Instructions</h2></div><div class="section-button"><button type="submit" aria-controls="section-carepnt" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div name="Patient Instructions" class="section-body" id="section-carepnt"><ul class="side-nav"><li><a href="../patientinstructions/000219.htm">Diarrhea - what to ask your doctor - child </a></li>
<li><a href="../patientinstructions/000218.htm">Diarrhea - what to ask your health care provider - adult</a></li>
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</div></div><div class="section-body" id="section-Ref"><p>Kotloff KL. Acute gastroenteritis in children. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. <em>Nelson Textbook of Pediatrics</em>. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 366.</p><p>Nguyen T, Akhtar S. Gastroenteritis. In: Walls RM, ed. <em>Rosen's Emergency Medicine: Concepts and Clinical Practice</em>. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 80.</p><p>Schiller LR, Sellin JH. Diarrhea. In: Feldman M, Friedman LS, Brandt LJ, eds. <em>Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology/Diagnosis/Management</em>. 11th ed. Philadelphia, PA: Elsevier; 2021:chap 16.</p><p>Wong KK, Griffin PM. Foodborne disease. In: Bennett JE, Dolin R, Blaser MJ, eds. <em>Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases</em>. 9th ed. Philadelphia, PA: Elsevier; 2020:chap 101.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 12/31/2023</h2></div><div class="section-button"><button type="submit" aria-controls="section-version" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<div id="section-version" class="section-body"><p>Updated by: Jenifer K. Lehrer, MD, Department of Gastroenterology, Aria - Jefferson Health Torresdale, Jefferson Digestive Diseases Network, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.</p>
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