{"id":56243,"date":"2019-01-25T12:48:13","date_gmt":"2019-01-25T12:48:13","guid":{"rendered":"https:\/\/www.humanitas.net\/?post_type=wiki&#038;p=56243"},"modified":"2019-01-25T12:48:13","modified_gmt":"2019-01-25T12:48:13","slug":"petechie","status":"publish","type":"wiki","link":"https:\/\/www.humanitas.net\/fr\/wiki\/symptomes\/petechie\/","title":{"rendered":"P\u00e9t\u00e9chie"},"content":{"rendered":"<p>Une p\u00e9t\u00e9chie est une petite tache cutan\u00e9e, plate et ronde, caus\u00e9e par une petite h\u00e9morragie. Elle n\u2019est pas associ\u00e9e \u00e0 la douleur ou \u00e0 d\u2019autres soucis. Sa couleur, d\u2019abord brun rouge\u00e2tre, tend \u00e0 jaunir avec le temps jusqu\u2019\u00e0 ce que la tache disparaisse compl\u00e8tement.<\/p>\n<p>&nbsp;<\/p>\n<p>A la base se trouve une alt\u00e9ration des processus normaux de coagulation qui sont n\u00e9cessaires pour faire face \u00e0 la rupture des capillaires. Souvent, la tache appara\u00eet sur le visage et est associ\u00e9e \u00e0 une alt\u00e9ration de la tension art\u00e9rielle, caus\u00e9e par exemple par une toux. Son d\u00e9veloppement peut \u00e9galement \u00eatre associ\u00e9 \u00e0 un traumatisme, une carence en plaquettes ou en vitamine K, une infection bact\u00e9rienne, le vieillissement de la peau, des probl\u00e8mes circulatoires ou des maladies comme le scorbut ou la leuc\u00e9mie infantile.<\/p>\n<p>&nbsp;<\/p>\n<p>Parfois, les p\u00e9t\u00e9chies sont nombreuses et tr\u00e8s proches les unes des autres. Dans ces cas-l\u00e0, on peut parler de plurielles.<\/p>\n<p>&nbsp;<\/p>\n<h2>Quels types de maladies peuvent \u00eatre associ\u00e9s aux p\u00e9t\u00e9chies\u00a0?<\/h2>\n<p>Les maladies suivantes peuvent \u00eatre associ\u00e9es aux p\u00e9t\u00e9chies\u00a0:<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>Cellulite infectieuse<\/li>\n<li>Cirrhose du foie<\/li>\n<li>Dengue<\/li>\n<li>Ebola<\/li>\n<li>Endocardite infectieuse<\/li>\n<li>Leptospirose<\/li>\n<li>Leuc\u00e9mie<\/li>\n<li>Molluscum<\/li>\n<li>Pr\u00e9-\u00e9clampsie<\/li>\n<li>Rub\u00e9ole<\/li>\n<li>Scorbut infantile<\/li>\n<li>Choc septique<\/li>\n<li>Syndrome de Cushing<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>N\u2019oubliez pas que cette liste n\u2019est pas exhaustive et qu\u2019il vaut toujours mieux consulter votre m\u00e9decin en cas de persistance des sympt\u00f4mes.<\/p>\n<p>&nbsp;<\/p>\n<h2>Quel est le traitement pour les p\u00e9t\u00e9chies\u00a0?<\/h2>\n<p>Le meilleur rem\u00e8de d\u00e9pend de la cause des p\u00e9t\u00e9chies. En cas de scorbut, par exemple, vous devez prendre de la vitamine C, alors que dans d\u2019autres cas, il peut \u00eatre utile de prendre de la vitamine E.<\/p>\n<p>&nbsp;<\/p>\n<p>En cas de syndrome de Cushing, cependant, vous devez prendre des m\u00e9dicaments pour r\u00e9duire la synth\u00e8se du cortisol. D\u2019autres th\u00e9rapies conviennent mieux aux cas o\u00f9 les p\u00e9t\u00e9chies sont le signe d\u2019un manque de plaquettes. Dans ces situations, les glucocortico\u00efdes, l\u2019immunoglobuline, les corticost\u00e9ro\u00efdes ou les immunosuppresseurs pourraient \u00eatre utiles. Dans le cas de la leuc\u00e9mie, vous recevrez des traitements contre le cancer.<\/p>\n<p>&nbsp;<\/p>\n<p>Seul un m\u00e9decin peut d\u00e9terminer si ces rem\u00e8des ou d\u2019autres sont adapt\u00e9s \u00e0 chaque cas particulier.<\/p>\n<p>&nbsp;<\/p>\n<h2>Quand vaut-il mieux contacter votre m\u00e9decin en cas de p\u00e9t\u00e9chies\u00a0?<\/h2>\n<p>L\u2019apparition de p\u00e9t\u00e9chies n\u2019est pas une urgence m\u00e9dicale, mais il est conseill\u00e9 de consulter un expert, car leur pr\u00e9sence peut \u00eatre le sympt\u00f4me d\u2019un probl\u00e8me plus grave qui n\u00e9cessite un traitement sp\u00e9cifique.<\/p>\n","protected":false},"author":11,"featured_media":0,"template":"","wiki-categories":[2226],"wiki-types":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.7.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>P\u00e9t\u00e9chie - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.humanitas.net\/fr\/wiki\/symptomes\/petechie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P\u00e9t\u00e9chie - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Une p\u00e9t\u00e9chie est une petite tache cutan\u00e9e, plate et ronde, caus\u00e9e par une petite h\u00e9morragie. 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