{"id":3304,"date":"2026-03-13T08:39:10","date_gmt":"2026-03-13T08:39:10","guid":{"rendered":"https:\/\/www.thyroidaware.com\/about-graves-disease\/"},"modified":"2026-06-09T13:38:32","modified_gmt":"2026-06-09T13:38:32","slug":"about-graves-disease","status":"publish","type":"page","link":"https:\/\/www.thyroidaware.com\/pt\/about-graves-disease\/","title":{"rendered":"Sobre a Doen\u00e7a de Graves"},"content":{"rendered":"<div class=\"lazyblock-health-block-172KA3 wp-block-lazyblock-health-block\"><div class=\"heading-detail\">\n      <p>A Tiroide.<\/p>\n<h1>Sobre a Doen\u00e7a de Graves<\/h1>  <\/div>\n<div class=\"detail\">\n  <div class=\"detail-heading\">\n          <p class=\"has-electviolet-color has-text-color wp-block-heading\">Tal como a tiroidite de Hashimoto, a doen\u00e7a de Graves \u00e9 uma doen\u00e7a que causa hiperatividade da tiroide.<sup>1<\/sup>\u00a0Cerca de 25-40% dos doentes com doen\u00e7a de Graves apresentam sinais relevantes de oftalmopatia de Graves (inflama\u00e7\u00e3o e abaulamento dos olhos).<sup>3<\/sup>\u00a0No entanto, a doen\u00e7a de Graves acompanhada por oftalmopatia de Graves moderada a grave, ocorre apenas em menos de 5% dos doentes<sup>.2<\/sup><\/p>      <\/div>\n  \n<div class=\"parent\">\n\t<div class=\"share-wrapper mb\">\n\n\t\t<div class=\"social-container\" id=\"socialBox\">\n\n\t\t\t<a id=\"facebookShare\" target=\"_blank\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.thyroidaware.com\/wp-content\/themes\/thyroidaware\/images\/facebook-share.svg\" alt=\"Facebook\">\n\t\t\t<\/a>\n\n\t\t\t<a id=\"linkedinShare\" target=\"_blank\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.thyroidaware.com\/wp-content\/themes\/thyroidaware\/images\/linkedin-share.svg\" alt=\"LinkedIn\">\n\t\t\t<\/a>\n\n\t\t\t<a id=\"whatsappShare\" target=\"_blank\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.thyroidaware.com\/wp-content\/themes\/thyroidaware\/images\/whatsapp-share.svg\" alt=\"WhatsApp\">\n\t\t\t<\/a>\n\n\t\t\t<a id=\"emailShare\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.thyroidaware.com\/wp-content\/themes\/thyroidaware\/images\/email-share.svg\" alt=\"Email\">\n\t\t\t<\/a>\n\n\t\t\t<a href=\"#\" id=\"copyLink\" data-copied=\"Link copied!\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.thyroidaware.com\/wp-content\/themes\/thyroidaware\/images\/link-share.svg\" alt=\"Copy Link\">\n\t\t\t<\/a>\n\n\t\t<\/div>\n\t\t<div class=\"share-btn\" id=\"shareBtn\">\n\t\t\t<span>partilhe<\/span>\n\t\t\t<img decoding=\"async\" class=\"share-btn-detail-page\" src=\"https:\/\/www.thyroidaware.com\/wp-content\/themes\/thyroidaware\/images\/share-icon.png\" alt=\"\">\n\n\t\t<\/div>\n\t<\/div>\n<\/div>\n      <p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-297 size-full\" src=\"https:\/\/www.thyroidaware.com\/wp-content\/uploads\/2026\/03\/graves-disease-scaled.webp\" alt=\"\" width=\"2560\" height=\"1706\" srcset=\"https:\/\/www.thyroidaware.com\/wp-content\/uploads\/2026\/03\/graves-disease-scaled.webp 2560w, https:\/\/www.thyroidaware.com\/wp-content\/uploads\/2026\/03\/graves-disease-300x200.webp 300w, https:\/\/www.thyroidaware.com\/wp-content\/uploads\/2026\/03\/graves-disease-1024x683.webp 1024w, https:\/\/www.thyroidaware.com\/wp-content\/uploads\/2026\/03\/graves-disease-768x512.webp 768w, https:\/\/www.thyroidaware.com\/wp-content\/uploads\/2026\/03\/graves-disease-1536x1024.webp 1536w, https:\/\/www.thyroidaware.com\/wp-content\/uploads\/2026\/03\/graves-disease-2048x1365.webp 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<h3><strong>Quem est\u00e1 em risco?<\/strong><\/h3>\n<p>As mulheres com menos de 40 anos s\u00e3o especialmente propensas a desenvolver a doen\u00e7a de Graves.<sup>3<\/sup>\u00a0Os fumadores s\u00e3o mais propensos a ter doen\u00e7a de Graves e a problemas oculares do que os n\u00e3o-fumadores<sup>.3<\/sup><\/p>\n<h3><strong>Sintomas da doen\u00e7a de Graves<\/strong><\/h3>\n<p>Esta doen\u00e7a pode passar despercebida por muito tempo, mas alguns dos sintomas abaixo indicados poder\u00e3o ocorrer:<sup>1,4<\/sup><\/p>\n<ul class=\"wp-block-list\">\n<li>Frequ\u00eancia card\u00edaca acelerada<\/li>\n<li>Nervosismo e\/ou irritabilidade<\/li>\n<li>Ansiedade<\/li>\n<li>Dificuldade para adormecer<\/li>\n<li>Perda de peso sem mudan\u00e7a na dieta<\/li>\n<li>Fraqueza muscular, especialmente nos bra\u00e7os e coxas<\/li>\n<li>Aumento da transpira\u00e7\u00e3o<\/li>\n<li>Evacua\u00e7\u00f5es frequentes<\/li>\n<li>Per\u00edodos menstruais mais curtos ou menos frequentes<\/li>\n<li>M\u00e3os tr\u00e9mulas<\/li>\n<li>Pele fina<\/li>\n<li>Cabelo fino e quebradi\u00e7o<\/li>\n<\/ul>\n<p>Os sintomas da oftalmopatia de Graves incluem:<sup>1<\/sup><\/p>\n<ul class=\"wp-block-list\">\n<li>Olhos vermelhos ou inflamados<\/li>\n<li>Incha\u00e7o da p\u00e1lpebra<\/li>\n<li>Olhos proeminentes<\/li>\n<li>Muito raramente, vis\u00e3o diminu\u00edda ou dupla<\/li>\n<\/ul>\n<h3><strong>Diagnosticar a doen\u00e7a de Graves<\/strong><\/h3>\n<p>O seu m\u00e9dico n\u00e3o pode ter a certeza se sofre ou n\u00e3o da doen\u00e7a de Graves apenas atrav\u00e9s dos sintomas. Para um diagn\u00f3stico definitivo ser\u00e3o necess\u00e1rios exames f\u00edsicos e laboratoriais.<sup>1<\/sup>\u00a0Os indicadores incluem n\u00edveis baixos de TSH e n\u00edveis elevados de tiroxina livre<sup>.5<\/sup>\u00a0Para determinar a extens\u00e3o do seu hipertiroidismo, tamb\u00e9m ser\u00e1 realizado um teste de triiodotironina<\/p>\n<h3><strong>Tratamento da doen\u00e7a de Graves<\/strong><\/h3>\n<p>O seu m\u00e9dico discutir\u00e1 consigo as melhores op\u00e7\u00f5es de tratamento para evitar que a gl\u00e2ndula tiroide produza hormonas tiroideias em excesso.<\/p>\n<ul class=\"wp-block-list\">\n<li>Os medicamentos antitiroideus permitem controlar o hipertiroidismo inibindo a s\u00edntese das hormonas da tiroide. Este tratamente deve durar entre 6 meses a 2 anos.<sup>5<\/sup>\u00a0<\/li>\n<li>A destrui\u00e7\u00e3o do tecido da tiroide pela radia\u00e7\u00e3o de iodo radioativo \u00e9 outra op\u00e7\u00e3o, mas levar\u00e1 de 6 a 18 semanas antes que o benef\u00edcio seja alcan\u00e7ado<sup>5<\/sup><\/li>\n<li>A terceira op\u00e7\u00e3o \u00e9 remover total ou parcialmente a gl\u00e2ndula tiroide atrav\u00e9s de cirurgia.<sup>5<\/sup><\/li>\n<\/ul>\n<p>As duas \u00faltimas op\u00e7\u00f5es podem provocar hipotiroidismo a longo prazo.<sup>5<\/sup> Os seus n\u00edveis de hormonas da tiroide ser\u00e3o ent\u00e3o restaurados para o n\u00edvel normal, atrav\u00e9s da substitui\u00e7\u00e3o da tiroxina.<sup>1<\/sup>\u00a0Se sofre dos sintomas da doen\u00e7a de Graves (como a frequ\u00eancia card\u00edaca acelerada, ansiedade, dificuldade para adormecer e perda de peso), o seu m\u00e9dico poder\u00e1 prescrever temporariamente f\u00e1rmacos betabloqueantes, o que far\u00e1 com que se sinta melhor num curto espa\u00e7o de tempo.<sup>4,5<\/sup>\u00a0Os check-ups regulares garantem o sucesso do tratamento por um longo per\u00edodo.<\/p>\n<h3><strong>Websites \u00fateis<\/strong><\/h3>\n<p><a href=\"http:\/\/www.thyroid.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">http:\/\/www.thyroid.org<\/a><\/p>\n<p>Informa\u00e7\u00e3o para o doente sobre a sa\u00fade da tiroide publicada pela American Thyroid Association.<\/p>\n<p><a href=\"http:\/\/www.thyroid-fed.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">www.thyroid-fed.org<\/a><\/p>\n<p>Patient information from Thyroid Federation International.<\/p>\n<p><a href=\"http:\/\/www.merckserono.de\/\" target=\"_blank\" rel=\"noreferrer noopener\">www.merckserono.de<\/a><\/p>\n<p>Therapiegebiete\/Endokrinologische Erkrankungen\/Schilddr\u00fcse\/Brosch\u00fcren \u201eIhr Hashimoto Ratgeber\u201c und \u201eIhr Basedow Ratgeber\u201c<\/p>  \n\n      <div class=\"reference-toggle\">\n      <div class=\"ref-header1\" id=\"refToggle\">\n        <span>Refer\u00eancias<\/span>\n        <img decoding=\"async\" class=\"refimg\" id=\"refIcon\" src=\"https:\/\/www.thyroidaware.com\/wp-content\/themes\/thyroidaware\/images\/ref-close.webp\" alt=\"\">\n      <\/div>\n\n      <div class=\"ref-content\" id=\"refContent\">\n        <ul>\n<li>American Thyroid Association. Graves\u2019 disease. Dispon\u00edvel em\u00a0<a href=\"http:\/\/www.thyroid.org\/what-is-graves-disease\/\">http:\/\/www.thyroid.org\/what-is-graves-disease\/<\/a>.\u00a0Acedido em Fevereiro 2017.<\/li>\n<li>Daumerie C. Epidemiology. In: Wiersinga WM, Kahaly GJ (eds): Graves\u2019 Orbitopathy: A Multidisciplinary Approach \u2014 Questions and Answers. Basel: Karger, 2010: 33\u201339<\/li>\n<li>Mayo Clinic. Graves\u2019 disease. Risk factors. Dispon\u00edvel em\u00a0<a href=\"https:\/\/www.mayoclinic.org\/diseases-conditions\/graves-disease\/symptoms-causes\/syc-20356240\">https:\/\/www.mayoclinic.org\/diseases-conditions\/graves-disease\/symptoms-causes\/syc-20356240<\/a>.\u00a0Acedido em Fevereiro 2017.<\/li>\n<li>American Thyroid Association. Hyperthyroidism. Dispon\u00edvel em\u00a0<a href=\"http:\/\/www.thyroid.org\/wp-content\/uploads\/patients\/brochures\/ata-hyperthyroidism-brochure.pdf\">http:\/\/www.thyroid.org\/wp-content\/uploads\/patients\/brochures\/ata-hyperthyroidism-brochure.pdf<\/a>.\u00a0Acedido em Fevereiro 2017.<\/li>\n<li>Ginsberg J. Diagnosis and management of Graves\u2019 disease. CMAJ 2003; 168: 575\u2013585<\/li>\n<\/ul>      <\/div>\n    <\/div>\n  \n  \n<\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/page-health.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3304","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sobre a Doen\u00e7a de Graves - Thyroid Aware<\/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.thyroidaware.com\/pt\/about-graves-disease\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sobre a Doen\u00e7a de Graves - 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