{"id":906,"date":"2022-06-27T15:42:39","date_gmt":"2022-06-27T13:42:39","guid":{"rendered":"https:\/\/www.lactolerance.fr\/blog\/?p=906"},"modified":"2025-08-18T16:12:57","modified_gmt":"2025-08-18T14:12:57","slug":"prise-de-sang","status":"publish","type":"post","link":"https:\/\/www.lactolerance.fr\/blog\/en\/bloodletting\/","title":{"rendered":"Lactose intolerance test: blood test"},"content":{"rendered":"<p>&nbsp;<\/p>\n<div>\n<div id=\"6810ff57b0a3e42121e0a1cd\" data-autoclose=\"false\" data-closetimer=\"5000\" data-openonscroll=\"true\" data-scrollvalue=\"800\" data-title=\"LACTOLERANCE_diagnostic_V1.0\" data-embedcookiedays=\"10\" data-embedscheduling=\"true\" data-embedtimed=\"false\" data-embedexit=\"false\" data-embedtimeformat=\"0\" data-embedtimevalue=\"5\" data-isldrawer=\"false\" data-embedborderradius=\"0\" data-embedfontsize=\"12\" data-textcolor=\"#fb5f66\" data-bgcolor=\"#fb5f66\" data-prop=\"outgrow-d\" data-type=\"outgrow-l\" data-url=\"https:\/\/physiosynthese.outgrow.us\/6810ff57b0a3e42121e0a1cd?q=1\" data-text=\"Get Started\"><\/div>\n<p><script>var og_temp=document.createElement('script');og_temp.async=true;og_temp.defer=true;og_temp.src='\/\/dyv6f9ner1ir9.cloudfront.net\/assets\/js\/nploaderV2.js',og_temp.onload=function(){initIframe('6810ff57b0a3e42121e0a1cd')},document.querySelector('head').appendChild(og_temp)<\/script><\/p>\n<\/div>\n<style>.outgrow-l,.outgrow-b {display: none !important}<\/style>\n<p class=\"p1\" style=\"text-align: justify;\">Blood glucose testing can be used in cases of<b>lactose intolerance<\/b>This syndrome is defined as the inability of intestinal cells to break down\u00a0<b><a href=\"https:\/\/www.lactolerance.fr\/fr\/content\/51-lactose\" data-internallinksmanager029f6b8e52c=\"16\" title=\"lactose\">lactose<\/a><\/b>\u00a0(milk sugar) into simple sugars (<b>glucose<\/b>\u00a0and\u00a0<b>galactose<\/b>) due to a\u00a0<b>deficit in <a href=\"\/fr\/content\/111-lactase\">lactase<\/a><\/b>.<\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">The lactose intolerance test consists of measuring the glucose level in the blood\u00a0<b>before and after<\/b>\u00a0After ingesting a quantity of lactose, it is advisable to measure it 3 to 4 times during the 3 hours following the ingestion of the lactose. A high blood sugar level indicates that the\u00a0<a href=\"\/fr\/content\/51-lactose\" target=\"_blank\" rel=\"noopener\">lactose<\/a><b>\u00a0was well degraded in<\/b>\u00a0<b>glucose that is responsible for this rise in blood sugar<\/b>This eliminates the diagnosis of lactose intolerance. In case of lactose maldigestion,\u00a0<b>the blood glucose level does not rise or rises slightly since there is no glucose.<span class=\"Apple-converted-space\">\u00a0<\/span><\/b><\/span><\/p>\n<h3 class=\"p1\" style=\"text-align: justify;\"><strong><span class=\"s1\">Testing in people with diabetes<\/span><\/strong><\/h3>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\"><strong>In people with diabetes, this test is not reliable enough<\/strong>\u00a0since their blood sugar levels are disturbed, usually with high blood sugar figures.<span class=\"Apple-converted-space\">\u00a0<\/span><\/span><\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">In some people with suspected lactose intolerance, the insulin response is so rapid after ingestion of lactose that hyperglycaemia cannot be detected, normoglycaemia indicates that the lactose has not been digested and the diagnosis is made when they do not have lactose intolerance (a false positive diagnosis)<\/span><\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">The ingestion of lactose for blood glucose monitoring is contraindicated if the intake of this sugar has previously caused severe diarrhoea with dehydration, which is frequently encountered in children and infants.<\/span><\/p>\n<p class=\"p1\" style=\"text-align: justify;\"><span class=\"s1\">This intolerance test\u00a0<b>is not considered a diagnostic test for<\/b>\u00a0<b>certainty<\/b>is <a href=\"https:\/\/www.lactolerance.fr\/blog\/en\/breath-hydrogen-test\/\">hydrogen breath test<\/a> to confirm the diagnosis of lactose intolerance.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p class=\"p1\" style=\"text-align: center;\"><a href=\"https:\/\/www.lactolerance.fr\/fr\/nos-complements-alimentaires\/134-pack-decouverte-protection-24h-134.html\"><img decoding=\"async\" class=\"alignnone wp-image-1108 size-full\" src=\"https:\/\/www.lactolerance.fr\/blog\/wp-content\/uploads\/2022\/12\/Blog-bas-de-page-FR-NOUVEAU-PACK-Decouverte.jpg\" alt=\"Image redirecting to the lactor\u00e9lance 1day pack and 9000 pill dispenser product sheet\" width=\"100%\" height=\"NaN\" srcset=\"https:\/\/www.lactolerance.fr\/blog\/wp-content\/uploads\/2022\/12\/Blog-bas-de-page-FR-NOUVEAU-PACK-Decouverte.jpg 2400w, https:\/\/www.lactolerance.fr\/blog\/wp-content\/uploads\/2022\/12\/Blog-bas-de-page-FR-NOUVEAU-PACK-Decouverte-400x133.jpg 400w, https:\/\/www.lactolerance.fr\/blog\/wp-content\/uploads\/2022\/12\/Blog-bas-de-page-FR-NOUVEAU-PACK-Decouverte-800x267.jpg 800w, https:\/\/www.lactolerance.fr\/blog\/wp-content\/uploads\/2022\/12\/Blog-bas-de-page-FR-NOUVEAU-PACK-Decouverte-768x256.jpg 768w, https:\/\/www.lactolerance.fr\/blog\/wp-content\/uploads\/2022\/12\/Blog-bas-de-page-FR-NOUVEAU-PACK-Decouverte-1536x512.jpg 1536w, https:\/\/www.lactolerance.fr\/blog\/wp-content\/uploads\/2022\/12\/Blog-bas-de-page-FR-NOUVEAU-PACK-Decouverte-2048x683.jpg 2048w, https:\/\/www.lactolerance.fr\/blog\/wp-content\/uploads\/2022\/12\/Blog-bas-de-page-FR-NOUVEAU-PACK-Decouverte-18x6.jpg 18w\" sizes=\"(max-width: 2400px) 100vw, 2400px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>&nbsp; Measuring blood glucose levels can be used in cases of lactose intolerance. This syndrome is defined as the inability of intestinal cells to break down lactose (milk sugar) into simple sugars (glucose and galactose) due to a lactase deficiency. The lactose intolerance test consists of measuring the level of glucose in the blood before and after ingestion [...].<\/p>","protected":false},"author":4,"featured_media":1128,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-906","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gerer-au-quotidien"],"_links":{"self":[{"href":"https:\/\/www.lactolerance.fr\/blog\/en\/wp-json\/wp\/v2\/posts\/906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lactolerance.fr\/blog\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lactolerance.fr\/blog\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lactolerance.fr\/blog\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lactolerance.fr\/blog\/en\/wp-json\/wp\/v2\/comments?post=906"}],"version-history":[{"count":11,"href":"https:\/\/www.lactolerance.fr\/blog\/en\/wp-json\/wp\/v2\/posts\/906\/revisions"}],"predecessor-version":[{"id":3185,"href":"https:\/\/www.lactolerance.fr\/blog\/en\/wp-json\/wp\/v2\/posts\/906\/revisions\/3185"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lactolerance.fr\/blog\/en\/wp-json\/wp\/v2\/media\/1128"}],"wp:attachment":[{"href":"https:\/\/www.lactolerance.fr\/blog\/en\/wp-json\/wp\/v2\/media?parent=906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lactolerance.fr\/blog\/en\/wp-json\/wp\/v2\/categories?post=906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lactolerance.fr\/blog\/en\/wp-json\/wp\/v2\/tags?post=906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}