nih-gov/medlineplus.gov/genetics/condition/hereditary-fructose-intolerance/index.html
2025-02-26 13:17:41 -05:00

707 lines
36 KiB
HTML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!DOCTYPE html>
<html lang="en" id="genetic_condition" class="nojs us" data-root="https://medlineplus.gov/">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<meta http-equiv="window-target" content="_top" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link rel="canonical" href="https://medlineplus.gov/genetics/condition/hereditary-fructose-intolerance/" />
<link href="https://medlineplus.gov/genetics/condition/hereditary-fructose-intolerance/" hreflang="x-default" rel="alternate">
<meta name="ac-dictionary" content="medlineplus-ac-dictionary" />
<meta name="description" content="Hereditary fructose intolerance is a condition that affects a person&#x27;s ability to digest the sugar fructose. Explore symptoms, inheritance, genetics of this condition." />
<link rel="shortcut icon" href="https://medlineplus.gov/images/favicon.ico" type="image/x-icon" />
<link rel="apple-touch-icon" href="https://medlineplus.gov/images/touch-icon.png" />
<meta property="fb:app_id" content="1042245625821448" />
<meta property="og:title" content="Hereditary fructose intolerance: MedlinePlus Genetics" />
<meta property="og:url" content="https://medlineplus.gov/genetics/condition/hereditary-fructose-intolerance/" />
<meta property="og:image" content="https://medlineplus.gov/images/GeneticCondition_Share.jpg" />
<meta property="og:description" content="Hereditary fructose intolerance is a condition that affects a person&#x27;s ability to digest the sugar fructose. Explore symptoms, inheritance, genetics of this condition." />
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:site" content="@medlineplus" />
<meta name="twitter:creator" content="@medlineplus" />
<meta name="twitter:title" content="Hereditary fructose intolerance: MedlinePlus Genetics" />
<meta name="twitter:description" content="Hereditary fructose intolerance is a condition that affects a person&#x27;s ability to digest the sugar fructose. Explore symptoms, inheritance, genetics of this condition." />
<meta name="twitter:image" content="https://medlineplus.gov/images/GeneticCondition_Share.jpg" />
<meta name="twitter:image:alt" content=""/>
<meta property="og:image:alt" content="" />
<title>Hereditary fructose intolerance: MedlinePlus Genetics</title>
<link rel="stylesheet" href="https://medlineplus.gov/css/common_new.css?1738956928542" />
<!--[if IE 8]> <link rel="stylesheet" href="https://medlineplus.gov/css/ie8/common.css"> <![endif]-->
<link rel="stylesheet" href="https://medlineplus.gov/uswds/css/uswds_styles.css" />
<script type="text/javascript">document.getElementsByTagName('html')[0].className = document.getElementsByTagName('html')[0].className.replace( /(?:^|\s)nojs(?!\S)/g , '').trim();</script>
<script src="https://medlineplus.gov/uswds/js/uswds-init.min.js" type="text/javascript"></script>
<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-MMVM77');</script>
</head>
<body>
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-MMVM77"
height="0" width="0" style="display:none;visibility:hidden" title="googletagmanager"></iframe></noscript>
<a name="top" id="top"></a>
<a class="hide-offscreen" href="#start">Skip navigation</a>
<section
class="usa-banner"
aria-label="Official website of the United States government"
>
<div class="usa-accordion">
<header class="usa-banner__header">
<div class="usa-banner__inner">
<div class="grid-col-auto">
<img
aria-hidden="true"
class="usa-banner__header-flag"
src="https://medlineplus.gov/uswds/img/us_flag_small.png"
alt=""
/>
</div>
<div class="grid-col-fill tablet:grid-col-auto" aria-hidden="true">
<p class="usa-banner__header-text">
An official website of the United States government
</p>
<p class="usa-banner__header-action">Heres how you know</p>
</div>
<button
type="button"
class="usa-accordion__button usa-banner__button"
aria-expanded="false"
aria-controls="gov-banner-default-default"
>
<span class="usa-banner__button-text">Heres how you know</span>
</button>
</div>
</header>
<div
class="usa-banner__content usa-accordion__content"
id="gov-banner-default-default"
>
<div class="grid-row grid-gap-lg">
<div class="usa-banner__guidance tablet:grid-col-6">
<img
class="usa-banner__icon usa-media-block__img"
src="https://medlineplus.gov/uswds/img/icon-dot-gov.svg"
role="img"
alt=""
aria-hidden="true"
/>
<div class="usa-media-block__body">
<p>
<strong>Official websites use .gov</strong><br />A
<strong>.gov</strong> website belongs to an official government
organization in the United States.
</p>
</div>
</div>
<div class="usa-banner__guidance tablet:grid-col-6">
<img
class="usa-banner__icon usa-media-block__img"
src="https://medlineplus.gov/uswds/img/icon-https.svg"
role="img"
alt=""
aria-hidden="true"
/>
<div class="usa-media-block__body">
<p>
<strong>Secure .gov websites use HTTPS</strong><br />A
<strong>lock</strong> (
<span class="icon-lock"
><svg
xmlns="http://www.w3.org/2000/svg"
width="52"
height="64"
viewBox="0 0 52 64"
class="usa-banner__lock-image"
role="img"
aria-labelledby="banner-lock-description-default"
focusable="false"
>
<title id="banner-lock-title-default">Lock</title>
<desc id="banner-lock-description-default">Locked padlock icon</desc>
<path
fill="#000000"
fill-rule="evenodd"
d="M26 0c10.493 0 19 8.507 19 19v9h3a4 4 0 0 1 4 4v28a4 4 0 0 1-4 4H4a4 4 0 0 1-4-4V32a4 4 0 0 1 4-4h3v-9C7 8.507 15.507 0 26 0zm0 8c-5.979 0-10.843 4.77-10.996 10.712L15 19v9h22v-9c0-6.075-4.925-11-11-11z"
/>
</svg> </span
>) or <strong>https://</strong> means youve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.
</p>
</div>
</div>
</div>
</div>
</div>
</section>
<div id="mplus-wrap">
<header>
<div id="mplus-header">
<div id="mplus-orgs">
<a href="https://www.nih.gov/" class="nih-org" target="_blank" title="National Institutes of Health">
<img class="nihlogo" src="https://medlineplus.gov/images/nihlogo.png" alt="National Institutes of Health"/>
</a><a href="https://www.nlm.nih.gov/" target="_blank"> National Library of Medicine</a>
</div>
<div id="mplus-logo" class="years-25">
<a href="https://medlineplus.gov/">
<img alt="MedlinePlus Trusted Health Information for You" title="MedlinePlus Trusted Health Information for You" src="https://medlineplus.gov/images/m_logo_25.png"/>
</a>
</div>
<div id="mplus-nav">
<div aria-live="polite" class="sm-live-area hide-offscreen"></div>
<button id="sm-menu-btn" class="navmenu-btn" title="Menu" role="button" aria-controls="mplus-menu-list" type="submit">Menu<span class="icon icon-nav-menu"></span></button>
<ul id="mplus-menu-list" class="nav-list">
<li><a href="https://medlineplus.gov/healthtopics.html">Health Topics</a></li>
<li><a href="https://medlineplus.gov/druginformation.html">Drugs & Supplements</a></li>
<li><a href="https://medlineplus.gov/genetics/">Genetics</a></li>
<li><a href="https://medlineplus.gov/lab-tests/">Medical Tests</a></li>
<li><a href="https://medlineplus.gov/encyclopedia.html">Medical Encyclopedia</a></li>
<li><a href="https://medlineplus.gov/about/">About MedlinePlus</a></li>
</ul><button id="sm-search-btn" class="navmenu-btn" title="Search" role="button" aria-controls="mplus-search" type="submit"><span class="hide-offscreen"></span>Search<span class="icon icon-nav-search"></span></button>
<div class="top-1">
<form id="mplus-search" method="get" action="https://vsearch.nlm.nih.gov/vivisimo/cgi-bin/query-meta" title="Search MedlinePlus" target="_self">
<input type="hidden" name="v:project" value="medlineplus"/>
<input type="hidden" name="v:sources" value="medlineplus-bundle"/>
<div class="form-box text-combo">
<div class="form-area"><label class="hide-offscreen" for="searchtext_primary">Search MedlinePlus</label>
<input id="searchtext_primary" class="form-text" type="text" placeholder="Search MedlinePlus" alt="#Site Search input" title="Site Search input" maxlength="400" size="40" name="query" autocomplete="off" role="textbox" aria-autocomplete="list" aria-haspopup="true"/>
</div>
<div class="button-area">
<button class="form-btn" title="Search MedlinePlus" alt="Search MedlinePlus" type="submit">GO</button>
</div>
</div>
</form>
<div class="secondarynav">
<ul class="nav-list">
<li><a href="https://medlineplus.gov/about/"><span>About MedlinePlus</span></a></li>
<li><a href="https://medlineplus.gov/whatsnew/">What's New</a></li>
<li><a href="https://medlineplus.gov/sitemap.html"><span>Site Map</span></a></li>
<li><a href="https://support.nlm.nih.gov/knowledgebase/category/?id=CAT-01231&category=medlineplus&from=https%3A//medlineplus.gov/genetics/condition/hereditary-fructose-intolerance/" target="_blank"><span>Customer Support</span></a></li>
</ul>
</div>
</div>
<div id="mplus-nav-bar">
<ul class="nav-list">
<li><a href="https://medlineplus.gov/healthtopics.html">Health Topics</a></li><li><a href="https://medlineplus.gov/druginformation.html">Drugs & Supplements</a></li><li><a href="https://medlineplus.gov/genetics/">Genetics</a></li><li><a href="https://medlineplus.gov/lab-tests/">Medical Tests</a></li><li><a href="https://medlineplus.gov/encyclopedia.html">Medical Encyclopedia</a></li>
</ul>
</div>
</div>
</div>
</header>
<div id="mplus-content">
<div id="breadcrumbs">
<div itemprop="breadcrumb" itemscope="" itemtype="http://schema.org/BreadcrumbList">
<span class="hide-offscreen">You Are Here:</span>
<div itemscope itemprop="itemListElement" itemtype="http://schema.org/ListItem">
<a href="https://medlineplus.gov/" itemprop="item"><span itemprop="name">Home</span></a>
&rarr;
<meta itemprop="position" content="1"/>
</div>
<div itemscope itemprop="itemListElement" itemtype="http://schema.org/ListItem">
<a href="https://medlineplus.gov/genetics/" itemprop="item"><span itemprop="name">Genetics</span></a>
&rarr;
<meta itemprop="position" content="2"/>
</div>
<div itemscope itemprop="itemListElement" itemtype="http://schema.org/ListItem">
<a href="https://medlineplus.gov/genetics/condition/" itemprop="item"><span itemprop="name">Genetic Conditions</span></a>
&rarr;
<meta itemprop="position" content="3"/>
</div>
<div>
<span>Hereditary fructose intolerance</span>
</div>
</div>
</div>
<span class="page-url print-only">URL of this page: https://medlineplus.gov/genetics/condition/hereditary-fructose-intolerance/</span>
<div >
<article>
<div class="page-info">
<div class="page-title">
<a name="start" id="start"></a>
<h1>Hereditary fructose intolerance</h1>
</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 class="main">
<div class="mp-exp exp-full" data-bookmark="description">
<h2>Description</h2>
<section><div class="mp-content"><p>Hereditary fructose intolerance is a condition that affects a person's ability to digest the sugar fructose. Fructose is a simple sugar found primarily in fruits. Affected individuals develop signs and symptoms of the disorder in infancy when fruits, juices, or other foods containing fructose are introduced into the diet. After ingesting fructose, individuals with hereditary fructose intolerance may experience nausea, bloating, abdominal pain, diarrhea, vomiting, and low blood sugar (hypoglycemia). Affected infants may fail to grow and gain weight at the expected rate (failure to thrive).</p><p>Repeated ingestion of fructose-containing foods can lead to liver and <a class="image-modal" data-alt="Drawing shows the right and left kidneys. There are two kidneys, one on each side of the backbone, above the waist. The kidneys remove waste and extra water from the blood and make urine. They also help keep chemicals balanced in the body, make hormones that control blood pressure, and stimulate bone marrow to make red blood cells." data-caption="Drawing shows the right and left kidneys. There are two kidneys, one on each side of the backbone, above the waist. The kidneys remove waste and extra water from the blood and make urine. They also help keep chemicals balanced in the body, make hormones that control blood pressure, and stimulate bone marrow to make red blood cells." data-credit="© 2019 Terese Winslow LLC for the National Cancer Institute" data-filepath="images/PX0003MO_PRESENTATION.jpeg" data-imgtype="genetics" data-pix="PX0003MO" data-sourceurl="https://visualsonline.cancer.gov/details.cfm?imageid=12172" data-title="Kidney anatomy" href="https://medlineplus.gov/images/PX0003MO_PRESENTATION.jpeg" id="PX0003MO_1" title="Show image">kidney<img alt="" aria-hidden="true" class="image-modal-icon" src="https://medlineplus.gov/css/img/icon_camera_small.png"/></a> damage. The liver damage can result in a yellowing of the skin and whites of the eyes (jaundice), an enlarged liver (hepatomegaly), and chronic liver disease (cirrhosis). Continued exposure to fructose may result in seizures, coma, and ultimately death from liver and kidney failure. Due to the severity of symptoms experienced when fructose is ingested, most people with hereditary fructose intolerance develop a dislike for fruits, juices, and other foods containing fructose.</p><p>Hereditary fructose intolerance should not be confused with a condition called fructose malabsorption. In people with fructose malabsorption, the cells of the intestine cannot absorb fructose normally, leading to bloating, diarrhea or constipation, flatulence, and stomach pain. Fructose malabsorption is thought to affect approximately 40 percent of individuals in the Western hemisphere; its cause is unknown.</p></div>
</section>
</div>
<div class="mp-exp exp-full" data-bookmark="frequency">
<h2>Frequency</h2>
<section><div class="mp-content"><p>The incidence of hereditary fructose intolerance is estimated to be 1 in 20,000 to 30,000 individuals each year worldwide.</p></div>
</section>
</div>
<div class="mp-exp exp-full" data-bookmark="causes">
<h2>Causes</h2>
<section><div class="mp-content"><p>Mutations in the <i><a data-pid="18721" href="https://medlineplus.gov/genetics/gene/aldob/">ALDOB</a></i> gene cause hereditary fructose intolerance. The <i>ALDOB</i> gene provides instructions for making the aldolase B enzyme. This enzyme is found primarily in <a class="image-modal" data-alt="The liver is in the upper abdomen near the stomach, intestines, gallbladder, and pancreas." data-caption="The liver is in the upper abdomen near the stomach, intestines, gallbladder, and pancreas. The liver has four lobes. Two lobes are on the front and two small lobes (not shown) are on the back of the liver." data-credit="© 2009 Terese Winslow LLC for the National Cancer Institute" data-filepath="images/PX0001V1_PRESENTATION.jpeg" data-imgtype="genetics" data-pix="PX0001V1" data-sourceurl="https://visualsonline.cancer.gov/details.cfm?imageid=9077" data-title="Liver" href="https://medlineplus.gov/images/PX0001V1_PRESENTATION.jpeg" id="PX0001V1_2" title="Show image">the liver<img alt="" aria-hidden="true" class="image-modal-icon" src="https://medlineplus.gov/css/img/icon_camera_small.png"/></a> and is involved in the breakdown (metabolism) of fructose so this sugar can be used as energy. Aldolase B is responsible for the second step in the metabolism of fructose, which breaks down the molecule fructose-1-phosphate into other molecules called glyceraldehyde and dihydroxyacetone phosphate.</p><p><i>ALDOB</i> gene mutations reduce the function of the enzyme, impairing its ability to metabolize fructose. A lack of functional aldolase B results in an accumulation of fructose-1-phosphate in liver cells. This buildup is toxic, resulting in the death of liver cells over time. Additionally, the breakdown products of fructose-1-phosphase are needed in the body to produce energy and to maintain blood sugar levels. The combination of decreased cellular energy, low blood sugar, and liver cell death leads to the features of hereditary fructose intolerance.</p></div>
</section>
<section>
<div class="related-genes mp-exp exp-full">
<h3>Learn more about the gene associated with Hereditary fructose intolerance</h3>
<ul class="relatedmp">
<li><a href="https://medlineplus.gov/genetics/gene/aldob/">ALDOB</a></li>
</ul>
</div>
</section>
</div>
<div class="mp-exp exp-full" data-bookmark="inheritance">
<h2>Inheritance</h2>
<section><div class="mp- mp-content"><p>This condition is inherited in an <a class="image-modal" data-alt="Both parents carry one copy of a mutated gene. In the next generation, one child is affected with the condition, two children are carriers, and one is unaffected and not a carrier." data-caption="" data-credit="U.S. National Library of Medicine" data-filepath="images/PX0000A4_PRESENTATION.jpeg" data-imgtype="genetics" data-pix="PX0000A4" data-sourceurl="" data-title="Autosomal recessive inheritance" href="https://medlineplus.gov/images/PX0000A4_PRESENTATION.jpeg" id="PX0000A4_1" title="Show image">autosomal recessive pattern<img alt="" aria-hidden="true" class="image-modal-icon" src="https://medlineplus.gov/css/img/icon_camera_small.png"/></a>, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition.</p></div>
</section>
</div>
<div class="mp-exp exp-full" data-bookmark="synonyms">
<h2>Other Names for This Condition</h2>
<section>
<ul class="bulletlist">
<li>ALDOB deficiency</li> <li>Aldolase B deficiency</li> <li>Fructose aldolase B deficiency</li> <li>Fructose intolerance</li> <li>Fructose-1,6-biphosphate aldolase deficiency</li> <li>Fructose-1-phosphate aldolase deficiency</li> <li>Fructosemia</li>
</ul>
</section>
</div>
<div class="mp-exp exp-full" data-bookmark="resources">
<h2>Additional Information & Resources</h2>
<section>
<div class="mp-content">
<h2>Genetic Testing Information</h2>
<ul>
<li><a href="https://www.ncbi.nlm.nih.gov/gtr/conditions/C0016751/" target="TheNewWin">Genetic Testing Registry: Hereditary fructosuria</a> <span class="desc-text"><img alt="From the National Institutes of Health" title="From the National Institutes of Health" src="https://medlineplus.gov/images/nih.png" class="imgdesc" width="25" height="16"></span></li>
</ul>
</div>
</section>
<section>
<div class="mp-content">
<h2>Genetic and Rare Diseases Information Center</h2>
<ul>
<li><a href="https://rarediseases.info.nih.gov/diseases/6622/index" target="TheNewWin">Hereditary fructose intolerance</a> <span class="desc-text"><img alt="From the National Institutes of Health" title="From the National Institutes of Health" src="https://medlineplus.gov/images/nih.png" class="imgdesc" width="25" height="16"></span></li>
</ul>
</div>
</section>
<section>
<div class="mp-content">
<h2>Patient Support and Advocacy Resources</h2>
<ul>
<li><a href="https://rarediseases.org/" target="TheNewWin">National Organization for Rare Disorders (NORD)</a></li>
</ul>
</div>
</section>
<section>
<div class="mp-content">
<h2>Clinical Trials</h2>
<ul>
<li><a href="https://clinicaltrials.gov/search?cond=%22Hereditary fructose intolerance%22" target="TheNewWin">ClinicalTrials.gov</a> <span class="desc-text"><img alt="From the National Institutes of Health" title="From the National Institutes of Health" src="https://medlineplus.gov/images/nih.png" class="imgdesc" width="25" height="16"></span></li>
</ul>
</div>
</section>
<section>
<div class="mp-content">
<h2>Catalog of Genes and Diseases from OMIM</h2>
<ul>
<li><a href="https://omim.org/entry/229600" target="TheNewWin">FRUCTOSE INTOLERANCE, HEREDITARY; HFI</a></li>
</ul>
</div>
</section>
<section>
<div class="mp-content">
<h2>Scientific Articles on PubMed</h2>
<ul>
<li><a href="https://pubmed.ncbi.nlm.nih.gov/?term=%28Fructose+Intolerance%5BMAJR%5D%29+AND+%28hereditary+fructose+intolerance%5BTIAB%5D%29+AND+english%5Bla%5D+AND+human%5Bmh%5D+AND+%22last+3600+days%22%5Bdp%5D" target="TheNewWin">PubMed</a> <span class="desc-text"><img alt="From the National Institutes of Health" title="From the National Institutes of Health" src="https://medlineplus.gov/images/nih.png" class="imgdesc" width="25" height="16"></span></li>
</ul>
</div>
</section>
</div>
<div class="mp-exp exp-full" data-bookmark="references">
<h2>References</h2>
<section>
<div class="mp-content">
<ul>
<li>Bouteldja N, Timson DJ. The biochemical basis of hereditary fructose
intolerance. J Inherit Metab Dis. 2010 Apr;33(2):105-12. doi:
10.1007/s10545-010-9053-2. Epub 2010 Feb 17. <a href="https://pubmed.ncbi.nlm.nih.gov/20162364" target="TheNewWin">Citation on PubMed</a></li>
<li>Coffee EM, Yerkes L, Ewen EP, Zee T, Tolan DR. Increased prevalence of mutant
null alleles that cause hereditary fructose intolerance in the American
population. J Inherit Metab Dis. 2010 Feb;33(1):33-42. doi:
10.1007/s10545-009-9008-7. Epub 2009 Dec 23. <a href="https://pubmed.ncbi.nlm.nih.gov/20033295" target="TheNewWin">Citation on PubMed</a> or <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2954661/" target="TheNewWin">Free article on PubMed Central</a></li>
<li>Esposito G, Vitagliano L, Santamaria R, Viola A, Zagari A, Salvatore F.
Structural and functional analysis of aldolase B mutants related to hereditary
fructose intolerance. FEBS Lett. 2002 Nov 6;531(2):152-6. doi:
10.1016/s0014-5793(02)03451-8. <a href="https://pubmed.ncbi.nlm.nih.gov/12417303" target="TheNewWin">Citation on PubMed</a></li>
<li>Santer R, Rischewski J, von Weihe M, Niederhaus M, Schneppenheim S, Baerlocher
K, Kohlschutter A, Muntau A, Posselt HG, Steinmann B, Schneppenheim R. The
spectrum of aldolase B (ALDOB) mutations and the prevalence of hereditary
fructose intolerance in Central Europe. Hum Mutat. 2005 Jun;25(6):594. doi:
10.1002/humu.9343. <a href="https://pubmed.ncbi.nlm.nih.gov/15880727" target="TheNewWin">Citation on PubMed</a></li>
</ul>
</div>
</section>
</div>
</div>
<div class="side">
<aside>
<section><div class="side-section">
<div class="mp-img">
<a class="image-modal" id="14226_featured" href="https://medlineplus.gov/images/PX0001V1_PRESENTATION.jpeg"
data-filepath="images/PX0001V1_PRESENTATION.jpeg"
data-title="Liver"
data-caption="The liver is in the upper abdomen near the stomach, intestines, gallbladder, and pancreas. The liver has four lobes. Two lobes are on the front and two small lobes (not shown) are on the back of the liver."
data-credit="© 2009 Terese Winslow LLC for the National Cancer Institute"
data-alt="The liver is in the upper abdomen near the stomach, intestines, gallbladder, and pancreas."
data-sourceurl="https://visualsonline.cancer.gov/details.cfm?imageid=9077">
<img class="scale-with-grid" src="https://medlineplus.gov/images/PX0001V1_PRESENTATION.jpeg" alt="" title="Liver">
<span class="view-img-full-size" title="Show image">Enlarge image</span>
</a>
</div>
</div></section>
<section><div class="side-section">
</div></section>
<section><div class="side-section">
<div class="section-header">
<h2>Related Health Topics</h2>
</div>
<div class="section-body">
<ul class="relatedmp">
<li><a href="https://medlineplus.gov/carbohydratemetabolismdisorders.html">Carbohydrate Metabolism Disorders</a></li>
<li><a href="https://medlineplus.gov/geneticdisorders.html">Genetic Disorders</a></li>
</ul>
</div>
</div></section>
<section><div class="side-section">
<div class="section-header red">
<h2>MEDICAL ENCYCLOPEDIA</h2>
</div>
<div class="section-body" id="more_encyclopedia">
<ul class="relatedmp" style="list-style: none; padding: 0;">
<li><a href="https://medlineplus.gov/ency/article/002048.htm">Genetics</a></li>
<li><a href="https://medlineplus.gov/ency/article/000359.htm">Hereditary fructose intolerance</a></li>
</ul>
</div>
</div></section>
<section><div class="side-section">
<div class="section-header">
<h2>Understanding Genetics</h2>
</div>
<div class="section-body">
<ul class="relatedmp">
<li><a href="https://medlineplus.gov/genetics/understanding/consult/prognosis/">What is the prognosis of a genetic condition?</a></li>
<li><a href="https://medlineplus.gov/genetics/understanding/mutationsanddisorders/mutationscausedisease/">How can gene variants affect health and development?</a></li>
<li><a href="https://medlineplus.gov/genetics/understanding/inheritance/runsinfamily/">What does it mean if a disorder seems to run in my family?</a></li>
<li><a href="https://medlineplus.gov/genetics/understanding/inheritance/inheritancepatterns/">What are the different ways a genetic condition can be inherited?</a></li>
<li><a href="https://medlineplus.gov/genetics/understanding/consult/treatment/">How are genetic conditions treated or managed?</a></li>
</ul>
</div>
</div></section>
<section><div class="side-section">
<div class="section-header hide-offscreen">
<h2>Disclaimers</h2>
</div>
<div class="section-body no-header">
MedlinePlus links to health information from the National Institutes of Health and other federal government agencies. MedlinePlus also links to health information from non-government Web sites. See our <a href="https://medlineplus.gov/disclaimers.html">disclaimer</a> about external links and our <a href="https://medlineplus.gov/criteria.html">quality guidelines</a>.
</div>
</div></section>
</aside>
</div>
<div class="bottom">
<section>
<!--
<div class="from-ghr">
<img src="https://medlineplus.gov/images/fromGHR.png" alt="From Genetics Home Reference" />
<p>Genetics Home Reference has merged with MedlinePlus. Genetics Home Reference content now can be found in the "Genetics" section of MedlinePlus. <a href="https://medlineplus.gov/about/general/genetics/newhome/">Learn more</a></p>
</div>
-->
<p>The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.</p>
</section>
</div>
</article>
</div>
<div id="citation-how-to">
<button><span>Learn how to cite this page</span></button>
</div>
</div>
<footer>
<div id="mplus-footer">
<div class="footer1">
<ul class="secondarynav">
<li><a href="https://medlineplus.gov/about/">About MedlinePlus</a></li>
<li><a href="https://medlineplus.gov/whatsnew/">What's New</a></li>
<li><a href="https://medlineplus.gov/sitemap.html">Site Map</a></li>
<li><a href="https://support.nlm.nih.gov/knowledgebase/category/?id=CAT-01231&category=medlineplus&from=https%3A//medlineplus.gov/genetics/condition/hereditary-fructose-intolerance/" target="_blank"><span>Customer Support</span></a></li>
</ul>
<ul class="follow-footer">
<li>
<a href="https://medlineplus.gov/rss.html" class="follow-item">Subscribe to RSS<img src="https://medlineplus.gov/images/feed.png" class="social-media-toolkit-icon" alt="RSS" title="RSS"></a>
</li>
<li>
<span class="follow-label">Follow us</span>
<a href="https://twitter.com/medlineplus" class="follow-item" target="_blank">
<img src="https://medlineplus.gov/images/i_share_twitter.png" class="follow-icon" alt="X" title="X">
</a>
<a href="https://facebook.com/Mplus.gov/" class="follow-item" target="_blank">
<img src="https://medlineplus.gov/images/i_share_fb.png" class="follow-icon" alt="Facebook" title="Facebook">
</a>
<a href="https://www.instagram.com/mplusgov/" class="follow-item" target="_blank">
<img src="https://medlineplus.gov/images/Instagram_Glyph_Gradient_RGB.png" class="follow-icon" alt="Instagram" title="Instagram">
</a>
</li>
<li>
<a href="https://medlineplus.gov/social-media-toolkit/" class="social-media-toolkit-item">Social Media Toolkit<img src="https://medlineplus.gov/images/i_social_media_toolkit.png" class="social-media-toolkit-icon" alt="Social Media Toolkit" title="Social Media Toolkit"></a>
</li>
</ul>
</div>
<div class="footer2">
<ul>
<li><a href=" https://www.nlm.nih.gov/web_policies.html" target='_blank'>NLM Web Policies</a></li>
<li><a href="https://medlineplus.gov/about/using/usingcontent/" >Copyright</a></li>
<li><a href="https://medlineplus.gov/accessibility.html">Accessibility</a></li>
<li><a href="https://medlineplus.gov/about/using/criteria/">Guidelines for Links</a></li>
<li><a href="https://medlineplus.gov/plugins.html">Viewers & Players</a></li>
<li><a href="https://www.hhs.gov/vulnerability-disclosure-policy/index.html" target="_blank">HHS Vulnerability Disclosure</a></li>
<li><a href="https://medlineplus.gov/medlineplus-connect/">MedlinePlus Connect for EHRs</a></li>
<li><a href="https://medlineplus.gov/about/developers/">For Developers</a></li>
</ul>
<div class="address">
<a href="https://www.nlm.nih.gov" target="_blank">National Library of Medicine</a>
<span>8600 Rockville Pike, Bethesda, MD 20894</span>
<a href="https://www.hhs.gov" target="_blank">U.S. Department of Health and Human Services</a>
<a href="https://www.nih.gov" target="_blank">National Institutes of Health</a>
</div>
<div class="date">
<span id="lastupdate">Last updated June 1, 2011</span>
</div>
<div class="return-top"><a href="#top" title="Return to top"><img class="return-top-icon" alt="Return to top" src="https://medlineplus.gov/images/return-top.png"></a></div>
</div>
</div>
</footer>
</div>
<script src="https://medlineplus.gov/jslib/jquery-3.6.0.min.js" type="text/javascript"></script>
<script src="https://medlineplus.gov/jslib/mplus-frontend-controls-new.js" type="text/javascript"></script>
<script src="https://medlineplus.gov/jslib/mplus-share.js?id=1112022" type="text/javascript"></script>
<!--[if lte IE 9]><script src="//www.nlm.nih.gov/medlineplus/jslib/jquery.placeholder.js" type="text/javascript"></script><![endif]-->
<script src="https://medlineplus.gov/jslib/control.js" type="text/javascript"></script>
<script src="https://medlineplus.gov/uswds/js/uswds.min.js" type="text/javascript"></script>
</body>
</html>