{"id":19485,"date":"2026-02-27T18:42:23","date_gmt":"2026-02-27T17:42:23","guid":{"rendered":"https:\/\/francelyme.fr\/site\/ufaq\/62-comment-diagnostiquer-la-maladie-de-lyme\/"},"modified":"2026-02-28T19:23:30","modified_gmt":"2026-02-28T18:23:30","slug":"62-comment-diagnostiquer-la-maladie-de-lyme","status":"publish","type":"ufaq","link":"https:\/\/francelyme.fr\/site\/ufaq\/62-comment-diagnostiquer-la-maladie-de-lyme\/","title":{"rendered":"062. Comment diagnostiquer la maladie de Lyme ?"},"content":{"rendered":"<div class=\"like-button\" style=\"float: right; clear: both; text-align: right; width = 100%;\">\n<!-- Facebook Like Button Vivacity Infotech BEGIN -->\n<div class=\"fb-like\" data-href=\"https:\/\/francelyme.fr\/site\/ufaq\/62-comment-diagnostiquer-la-maladie-de-lyme\/\" data-layout=\"box_count\" data-action=\"like\" data-show-faces=\"false\" data-size=\"large\" data-width=\"450\" data-share=\"1\" ><\/div><\/div>\n<!-- Facebook Like Button Vivacity Infotech END -->\n<div id=\"fb-root\"><\/div>\n<style>.ewd-ufaq-faq-header-title a { font-family: Garamond !important; }<\/style><div  class=\"ewd-ufaq-faq-list ewd-ufaq-page-type-distinct ewd-ufaq-category-tabs-\" id='ewd-ufaq-faq-list'>\n\n\t<input type='hidden' name='show_on_load' value='' id='ewd-ufaq-show-on-load' \/>\n<input type='hidden' name='include_category' value='' id='ewd-ufaq-include-category' \/>\n<input type='hidden' name='exclude_category' value='' id='ewd-ufaq-exclude-category' \/>\n<input type='hidden' name='orderby' value='title' id='ewd-ufaq-orderby' \/>\n<input type='hidden' name='order' value='asc' id='ewd-ufaq-order' \/>\n<input type='hidden' name='post_count' value='-1' id='ewd-ufaq-post-count' \/>\n<input type='hidden' name='current_url' value='\/site\/wp-json\/wp\/v2\/ufaq\/19485' id='ewd-ufaq-current-url' \/>\n\t\n\t\n\t<div class='ewd-ufaq-faqs'>\n\n\t\t<div  class=\"ewd-ufaq-faq-div ewd-ufaq-faq-column-count-one ewd-ufaq-faq-responsive-columns- ewd-ufaq-faq-display-style-default ewd-ufaq-can-be-toggled\" id='ewd-ufaq-post-19485-8vqSb65XqR' data-post_id='19485'>\n\n\t\t\n\t<div class='ewd-ufaq-faq-title ewd-ufaq-faq-toggle'>\n\t\n\t<a class='ewd-ufaq-post-margin'  href='#' role=\"button\">\n\n\t\t<div class='ewd-ufaq-post-margin-symbol ewd-ufaq-'>\n\t\t\t<span >A<\/span>\n\t\t<\/div>\n\n\t\t<div class='ewd-ufaq-faq-title-text'>\n\n\t\t\t<h4>\n\t\t\t\t062. Comment diagnostiquer la maladie de Lyme ?\t\t\t<\/h4>\n\n\t\t<\/div>\n\n\t\t<div class='ewd-ufaq-clear'><\/div>\n\n\t<\/a>\n\t\n<\/div>\n\t\n\t<div class='ewd-ufaq-faq-body' >\n\n\t\t\n\t\t\t<div class='ewd-ufaq-post-margin ewd-ufaq-faq-post'>\n\t<div class=\"like-button\" style=\"float: right;clear: both;text-align: right\">\n<!-- Facebook Like Button Vivacity Infotech BEGIN -->\n<div class=\"fb-like\" data-href=\"https:\/\/francelyme.fr\/site\/ufaq\/62-comment-diagnostiquer-la-maladie-de-lyme\/\" data-layout=\"box_count\" data-action=\"like\" data-show-faces=\"false\" data-size=\"large\" data-width=\"450\" data-share=\"1\"><\/div><\/div>\n<!-- Facebook Like Button Vivacity Infotech END -->\n<div id=\"fb-root\"><\/div>\n<p class=\"RponseTexte1\">Nota\u00a0: le sujet du diagnostic de la forme longue de la maladie de Lyme (Lyme long ou PTLDS) sera plus particuli\u00e8rement trait\u00e9 dans la partie Lyme Long (PTLDS) de la pr\u00e9sente foire aux questions.<\/p>\n<p style=\"font-weight: 400\">En pratique, le diagnostic de la borr\u00e9liose de Lyme repose sur deux situations principales :<\/p>\n<ul>\n<li>l\u2019\u00e9ryth\u00e8me migrant (voir question d\u00e9di\u00e9e) est un signe suffisamment sp\u00e9cifique pour poser le diagnostic et pour d\u00e9buter le traitement imm\u00e9diatement, sans recherche d\u2019anticorps par prise de sang.<\/li>\n<li>en l\u2019absence d\u2019\u00e9ryth\u00e8me migrant, il faut alors prendre en consid\u00e9ration trois \u00e9l\u00e9ments\u00a0:<\/li>\n<li>les sympt\u00f4mes,<\/li>\n<li>l\u2019exposition aux tiques,<\/li>\n<li>une s\u00e9rologie r\u00e9alis\u00e9e en deux temps (test ELISA, puis confirmation par immunoblot si ELISA positif ou douteux).<\/li>\n<\/ul>\n<p style=\"font-weight: 400\">Si les trois \u00e9l\u00e9ments plaident en faveur d\u2019une maladie de Lyme, on parlera alors de maladie de Lyme prouv\u00e9e. Au cas o\u00f9 seulement deux des trois \u00e9l\u00e9ments plaident en faveur d\u2019une maladie de Lyme, on parlera alors de maladie de Lyme possible.<\/p>\n<p style=\"font-weight: 400\"><u>Points importants : <\/u><\/p>\n<ul>\n<li>Compte-tenu du niveau de prolif\u00e9ration des tiques infect\u00e9es sur le territoire m\u00e9tropolitain, les associations de patients consid\u00e8rent que le crit\u00e8re d\u2019exposition aux tiques est implicitement satisfait pour une tr\u00e8s grande partie de la population.<\/li>\n<li>Au d\u00e9but de l\u2019infection, la s\u00e9rologie peut \u00eatre faussement n\u00e9gative durant les premi\u00e8res semaines. Les anticorps peuvent mettre jusqu\u2019\u00e0 6 \u00e0 8 semaines pour \u00eatre d\u00e9tectables. Cela explique qu\u2019une prise de sang trop pr\u00e9coce ne peut exclure le diagnostic de maladie de Lyme (surtout si la clinique est \u00e9vocatrice). Il est alors n\u00e9cessaire de refaire une s\u00e9rologie quelques semaines plus tard. L\u2019exp\u00e9rience des patients indique aussi qu\u2019une proportion faible des malades ne sont pas en capacit\u00e9 de produire des anticorps, ce qui de facto conduit \u00e0 ne pas satisfaire le crit\u00e8re s\u00e9rologique.<\/li>\n<li>Une s\u00e9rologie positive indique un contact immunologique avec <em>Borrelia<\/em>, mais ne prouve pas \u00e0 elle seule qu\u2019il s\u2019agit d\u2019une infection en cours au moment du test, car des anticorps peuvent persister.<\/li>\n<li>En ce qui concerne la forme neurologique de la maladie de Lyme, un examen compl\u00e9mentaire est n\u00e9cessaire, \u00e0 savoir l\u2019analyse du liquide c\u00e9r\u00e9brospinal, effectu\u00e9 par ponction lombaire. Selon les situations (notamment en cas de suspicion d\u2019atteinte du syst\u00e8me nerveux central), une\u00a0IRM c\u00e9r\u00e9brale et\/ou m\u00e9dullaire\u00a0est \u00e9galement recommand\u00e9e pour pr\u00e9ciser le diagnostic et rechercher des diagnostics diff\u00e9rentiels.<\/li>\n<li>Si le diagnostic ne peut pas \u00eatre \u00e9tabli avec certitude d\u2019embl\u00e9e, une r\u00e9\u00e9valuation \u00e0 6 ou 12 mois est recommand\u00e9e en fonction de l\u2019\u00e9volution des sympt\u00f4mes.<\/li>\n<\/ul>\n<div class=\"like-button\" style=\"float: right;clear: both;text-align: right\">\n<!-- Facebook Like Button Vivacity Infotech BEGIN -->\n<div class=\"fb-like\" data-href=\"https:\/\/francelyme.fr\/site\/ufaq\/62-comment-diagnostiquer-la-maladie-de-lyme\/\" data-layout=\"box_count\" data-action=\"like\" data-show-faces=\"false\" data-size=\"large\" data-width=\"450\" data-share=\"1\"><\/div><\/div>\n<!-- Facebook Like Button Vivacity Infotech END -->\n<\/div>\n\t\t\n\t\t\t<div class='ewd-ufaq-author-date'>\n\n\tMis en ligne\n\t\n\tle\n<span class='ewd-ufaq-date'>\n\t27 f\u00e9vrier 2026<\/span>\n<\/div>\n\t\t\n\t\t\t\n\t\t\n\t\t\t\n\t\t\n\t\t\t<div class='ewd-ufaq-ratings'>\n\t\n\t<div class='ewd-ufaq-ratings-label'>\n\t\tCette information vous a-t-elle \u00e9t\u00e9 utile ?\t<\/div>\n\t\n\t<div class='ewd-ufaq-rating-button ewd-ufaq-up-vote ewd-ufaq-ratings-default-image' data-faq_id='19485'>\n\t\t<img decoding=\"async\" src=\"https:\/\/francelyme.fr\/site\/wp-content\/plugins\/ultimate-faqs\/assets\/img\/Thumbs-up-icon.png\" alt=\"Thumbs Up Icon\">\t\t<span>1<\/span>\n\t<\/div>\n\t\n\t<div class='ewd-ufaq-rating-button ewd-ufaq-down-vote ewd-ufaq-ratings-default-image' data-faq_id='19485'>\n\t\t<img decoding=\"async\" src=\"https:\/\/francelyme.fr\/site\/wp-content\/plugins\/ultimate-faqs\/assets\/img\/Thumbs-down-icon.png\" alt=\"Thumbs Down Icon\">\t\t<span>0<\/span>\n\t<\/div>\n<\/div>\n\n<div class='ewd-ufaq-clear'><\/div>\n\t\t\n\t\t\t\n\t\t\n\t\t\t\n\t\t\n\t\t\t\n\t\t\n\t\t\t\n\t\t\n\t\t\t\n\t\t\n\t<\/div>\n\n<\/div>\n\t<\/div>\n\n\t\n<\/div><div class=\"like-button\" style=\"float: right; clear: both; text-align: right; width = 100%;\">\n<!-- Facebook Like Button Vivacity Infotech BEGIN -->\n<div class=\"fb-like\" data-href=\"https:\/\/francelyme.fr\/site\/ufaq\/62-comment-diagnostiquer-la-maladie-de-lyme\/\" data-layout=\"box_count\" data-action=\"like\" data-show-faces=\"false\" data-size=\"large\" data-width=\"450\" data-share=\"1\" ><\/div><\/div>\n<!-- Facebook Like Button Vivacity Infotech END -->\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","ufaq-category":[337],"ufaq-tag":[],"class_list":["post-19485","ufaq","type-ufaq","status-publish","hentry","ufaq-category-diagnostic"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>062. 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