{"id":24,"date":"2016-07-06T17:33:29","date_gmt":"2016-07-06T15:33:29","guid":{"rendered":"http:\/\/www.arthus-consulting.fr\/?p=24"},"modified":"2017-09-19T21:06:00","modified_gmt":"2017-09-19T19:06:00","slug":"le-zona-les-causes-et-les-traitements","status":"publish","type":"post","link":"https:\/\/www.arthus-consulting.fr\/2016\/07\/06\/le-zona-les-causes-et-les-traitements\/","title":{"rendered":"Le zona : les causes et les traitements"},"content":{"rendered":"Le zona (herp\u00e8s zoster) entra\u00eene des \u00e9ruptions cutan\u00e9es, accompagn\u00e9es de douleurs atroces, principalement sur le thorax et le visage m\u00eame si aucune partie du corps n’est \u00e9pargn\u00e9e. Ces \u00e9ruptions sont localis\u00e9es le long d’un nerf ou d’un ganglion nerveux. La douleur est parfois perceptible durant des mois, voire des ann\u00e9es malgr\u00e9 la gu\u00e9rison : on parle dans ce cas de n\u00e9vralgie ou de douleur post-zost\u00e9rienne.
\n<\/p>\n
Les origines des \u00e9ruptions<\/h2>\n
![\"\"](\"http:\/\/www.arthus-consulting.fr\/wp-content\/uploads\/2016\/07\/maladie-zona-origine-300x225.jpg\")
Lorsqu’une varicelle est gu\u00e9rie, quasiment tous les virus sont an\u00e9antis \u00e0 l’exception d’une petite poign\u00e9e de r\u00e9sistants coriaces parmi lesquels figure le virus varicelle-zona. Ce dernier se r\u00e9fugie dans les ganglions nerveux (racines nerveuses) qui bordent la colonne vert\u00e9brale. Il se fait discret, inactif durant plusieurs ann\u00e9es. Lorsqu’une personne avance en \u00e2ge, qu’elle est atteinte d’une maladie qui affaiblit sa d\u00e9fense immunitaire (VIH, certains types de cancer…), qu’elle prend des m\u00e9dicaments qui s’attaquent \u00e0 sa fonction immunitaire, qu’elle est trait\u00e9e \u00e0 la radioth\u00e9rapie ou qu’elle est plong\u00e9e dans un \u00e9tat de grande fatigue, son syst\u00e8me immunitaire devient incapable de contenir le virus qui se r\u00e9veille alors. Cette r\u00e9activation provoque une r\u00e9action inflammatoire au niveau des ganglions et dans les nerfs. Il en r\u00e9sulte la formation de grappes de v\u00e9sicules visibles sur la peau. Pour r\u00e9sumer, le zona est une maladie virale qui s’attaque aux personnes ayant d\u00e9j\u00e0 contract\u00e9 la varicelle.<\/p>\n
Les traitements principaux<\/h2>\n
![\"\"](\"http:\/\/www.arthus-consulting.fr\/wp-content\/uploads\/2016\/07\/maladie-zona-traitement-300x200.jpg\")
La consultation d’un m\u00e9decin est imp\u00e9rative d\u00e8s la constatation visuelle des sympt\u00f4mes du zona, car un traitement pr\u00e9coce est d’une redoutable efficacit\u00e9 ! Le pilier du traitement est un m\u00e9dicament antiviral \u00e0 prendre au plus tard 3 jours apr\u00e8s l’apparition des grappes. Ces antiviraux sont soit \u00e0 base d’aciclovir (Zovirax\u00ae par exemple), soit \u00e0 base de valaciclovir (Zelitrex\u00ae par exemple). En plus de permettre la gu\u00e9rison, ces antiviraux att\u00e9nuent la douleur.<\/p>\n
Les traitements compl\u00e9mentaires aux antiviraux<\/h2>\n
![\"\"](\"http:\/\/www.arthus-consulting.fr\/wp-content\/uploads\/2016\/07\/maladie-zona-traitements-complementaires-300x201.jpg\")
Des analg\u00e9siques sont parfois n\u00e9cessaires pour soulager efficacement les douleurs l\u00e9g\u00e8res ou mod\u00e9r\u00e9es. Les analg\u00e9siques narcotiques et les anti-inflammatoires non st\u00e9ro\u00efdiens sont mieux adapt\u00e9s aux douleurs fortes. Enfin, s’il l’estime n\u00e9cessaire, le m\u00e9decin rajoute des corticost\u00e9ro\u00efdes \u00e0 sa prescription.<\/p>\n","protected":false},"excerpt":{"rendered":"
Le zona (herp\u00e8s zoster) entra\u00eene des \u00e9ruptions cutan\u00e9es, accompagn\u00e9es de douleurs atroces, principalement sur le thorax et le visage m\u00eame si aucune partie du corps n’est \u00e9pargn\u00e9e. Ces \u00e9ruptions sont localis\u00e9es le long d’un nerf ou d’un ganglion nerveux. La […]<\/p>\n","protected":false},"author":1,"featured_media":72,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,6],"tags":[],"yoast_head":"\n
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