{"id":19478,"date":"2026-02-27T18:42:23","date_gmt":"2026-02-27T17:42:23","guid":{"rendered":"https:\/\/francelyme.fr\/site\/ufaq\/55-quest-ce-quun-erytheme-migrant\/"},"modified":"2026-02-28T19:18:36","modified_gmt":"2026-02-28T18:18:36","slug":"55-quest-ce-quun-erytheme-migrant","status":"publish","type":"ufaq","link":"https:\/\/francelyme.fr\/site\/ufaq\/55-quest-ce-quun-erytheme-migrant\/","title":{"rendered":"055. Qu&rsquo;est-ce qu&rsquo;un \u00e9ryth\u00e8me migrant ?"},"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\/55-quest-ce-quun-erytheme-migrant\/\" 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\/19478' 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-19478-0Zus6UTY3V' data-post_id='19478'>\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\t055. Qu&rsquo;est-ce qu&rsquo;un \u00e9ryth\u00e8me migrant ?\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\/55-quest-ce-quun-erytheme-migrant\/\" 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 style=\"font-weight: 400\">L&rsquo;\u00e9ryth\u00e8me migrant est une l\u00e9sion cutan\u00e9e caract\u00e9ristique de la borr\u00e9liose de Lyme au stade pr\u00e9coce. C&rsquo;est le signe le plus fr\u00e9quent et le plus fiable de l&rsquo;infection.<\/p>\n<p style=\"font-weight: 400\">Caract\u00e9ristiques :<\/p>\n<ul>\n<li>D\u00e9lai d&rsquo;apparition : g\u00e9n\u00e9ralement 3 \u00e0 30 jours apr\u00e8s la piq\u00fbre (mais<\/li>\n<li>Aspect : plaque rouge qui s&rsquo;\u00e9tend, souvent en anneau avec un centre plus clair<\/li>\n<li>Taille : s&rsquo;\u00e9tend au-del\u00e0 de 5 cm de diam\u00e8tre<\/li>\n<li>Souvent cach\u00e9 (cheveux, dos, derri\u00e8re les genoux, aines, aisselles) avec le risque de passer inaper\u00e7u.<\/li>\n<\/ul>\n<p style=\"font-weight: 400\">Il est conseill\u00e9 de photographier et de mesurer la plaque (par exemple avec une r\u00e8gle) pour suivre son extension et pouvoir montrer son \u00e9volution au m\u00e9decin.<\/p>\n<p style=\"font-weight: 400\">Il est important de conserver les photos dans le dossier m\u00e9dical.<\/p>\n<p style=\"font-weight: 400\">L&rsquo;\u00e9ryth\u00e8me migrant suffit \u00e0 poser le diagnostic : aucune s\u00e9rologie n&rsquo;est n\u00e9cessaire. Un traitement antibiotique pr\u00e9coce est tr\u00e8s efficace \u00e0 ce stade.<\/p>\n<p style=\"font-weight: 400\">Attention, l\u2019\u00e9ryth\u00e8me migrant n\u2019est pas toujours pr\u00e9sent. La Haute Autorit\u00e9 de Sant\u00e9 indique que l\u2019\u00e9ryth\u00e8me migrant est pr\u00e9sent dans environ 80 % des cas (donc absent dans environ 20 %). On peut donc contracter la maladie de Lyme sans avoir eu d\u2019\u00e9ryth\u00e8me migrant.<\/p>\n<p style=\"font-weight: 400\">Que faire si vous en voyez un\u00a0?<\/p>\n<p style=\"font-weight: 400\">Consultez rapidement votre m\u00e9decin traitant pour confirmation qu\u2019il s\u2019agit d\u2019un \u00e9ryth\u00e8me migrant et pour prescription du traitement antibiotique adapt\u00e9.<\/p>\n<p style=\"font-weight: 400\">Vous r\u00e9duirez ainsi le risque d\u2019\u00e9volution vers des formes diss\u00e9min\u00e9es et vers le Lyme long (PTLDS).<\/p>\n<p style=\"font-weight: 400\">Attention : la plaque s\u2019estompera et dispara\u00eetra, m\u00eame sans traitement. Cette disparition ne permet nullement de conclure que tout est r\u00e9gl\u00e9, d\u2019o\u00f9 l\u2019int\u00e9r\u00eat de consulter et de documenter l\u2019\u00e9ryth\u00e8me durant sa pr\u00e9sence.<\/p>\n<p style=\"font-weight: 400\">L&rsquo;exp\u00e9rience des patients remonte qu&rsquo;une prise en charge tardive (quelques semaines, quelques mois ou quelques ann\u00e9es apr\u00e8s l\u2019infection) augmenterait le risque de d\u00e9velopper un Lyme long (PTLDS).<\/p>\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\/55-quest-ce-quun-erytheme-migrant\/\" 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='19478'>\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>2<\/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='19478'>\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\/55-quest-ce-quun-erytheme-migrant\/\" 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":[336],"ufaq-tag":[],"class_list":["post-19478","ufaq","type-ufaq","status-publish","hentry","ufaq-category-symptomes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>055. 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