{"id":59858,"date":"2026-03-31T16:04:15","date_gmt":"2026-03-31T15:04:15","guid":{"rendered":"https:\/\/www.mediconanet.pt\/?p=59858"},"modified":"2026-04-01T16:33:25","modified_gmt":"2026-04-01T15:33:25","slug":"alergias-respiratorias-sintomas-diagnostico","status":"publish","type":"post","link":"https:\/\/www.mediconanet.pt\/en\/alergias-respiratorias-sintomas-diagnostico\/","title":{"rendered":"Alergias Respirat\u00f3rias: Sintomas, Diagn\u00f3stico e Tratamento"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"59858\" class=\"elementor elementor-59858\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-570cfe3 e-flex e-con-boxed e-con e-parent\" data-id=\"570cfe3\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1761780 elementor-widget elementor-widget-text-editor\" data-id=\"1761780\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Introdu\u00e7\u00e3o<\/strong><\/h2><p>As <b>alergias respirat\u00f3rias<\/b> s\u00e3o um problema de sa\u00fade p\u00fablica crescente, afetando mais de 30% da popula\u00e7\u00e3o portuguesa, segundo a Sociedade Portuguesa de Alergologia e Imunologia Cl\u00ednica (SPAIC). A rinite al\u00e9rgica e a asma al\u00e9rgica s\u00e3o as manifesta\u00e7\u00f5es mais comuns, podendo coexistir no mesmo doente num conceito designado &#8220;via a\u00e9rea \u00fanica&#8221;. O reconhecimento precoce e o tratamento adequado s\u00e3o essenciais para evitar a progress\u00e3o da doen\u00e7a.<\/p><p>As <b>alergias respirat\u00f3rias<\/b> ocorrem quando o sistema imunit\u00e1rio reage de forma exagerada a subst\u00e2ncias normalmente inofensivas \u2014 os al\u00e9rgenos. Os al\u00e9rgenos mais frequentes em Portugal s\u00e3o os \u00e1caros do p\u00f3 dom\u00e9stico, os p\u00f3lenes (gram\u00edneas, oliveira, pariet\u00e1ria), os fungos ambientais e os pelos de animais. A European Academy of Allergy and Clinical Immunology (EAACI) classifica a rinite al\u00e9rgica como a doen\u00e7a al\u00e9rgica mais prevalente a n\u00edvel mundial, com impacto significativo na produtividade e qualidade de vida.<\/p><h2><strong>Rinite Al\u00e9rgica: Mais do Que Simples Espirros<\/strong><\/h2><p>A <b>rinite al\u00e9rgica <\/b>manifesta-se por espirros em salva, rinorreia aquosa, obstru\u00e7\u00e3o nasal e prurido nasal. Pode ser classificada como intermitente ou persistente, e ligeira ou moderada\/grave, de acordo com a iniciativa ARIA (Allergic Rhinitis and its Impact on Asthma). Quando n\u00e3o controlada, afeta a concentra\u00e7\u00e3o, o rendimento escolar e profissional e a qualidade do sono.<\/p><p>A SPAIC estima que a <b>rinite al\u00e9rgica<\/b> \u00e9 subdiagnosticada e subtratada em Portugal, com muitos doentes a recorrerem apenas \u00e0 automedica\u00e7\u00e3o. O estudo ARPA demonstrou que apenas 40% dos doentes com rinite procuraram cuidados m\u00e9dicos, apesar do impacto significativo na qualidade de vida.<\/p><h2><strong>A Liga\u00e7\u00e3o Entre Rinite e Asma<\/strong><\/h2><p>A rinite e a asma partilham mecanismos fisiopatol\u00f3gicos comuns. At\u00e9 40% dos doentes com <b>rinite al\u00e9rgica<\/b> desenvolvem asma, e mais de 80% dos asm\u00e1ticos t\u00eam rinite concomitante. A Global Initiative for Asthma (GINA) recomenda que todos os doentes com asma sejam avaliados quanto \u00e0 presen\u00e7a de rinite, e vice-versa, para otimizar o tratamento.<\/p><p>A asma al\u00e9rgica caracteriza-se por epis\u00f3dios recorrentes de pieira, falta de ar, aperto tor\u00e1cico e tosse, frequentemente pior durante a noite ou ao exerc\u00edcio. Em Portugal, a asma afeta cerca de 7% da popula\u00e7\u00e3o, segundo o Programa Nacional para as Doen\u00e7as Respirat\u00f3rias da DGS.<\/p><h2><strong>Diagn\u00f3stico: Testes Al\u00e9rgicos<\/strong><\/h2><p>O diagn\u00f3stico baseia-se na hist\u00f3ria cl\u00ednica e \u00e9 confirmado por testes al\u00e9rgicos. Os testes cut\u00e2neos por picada (prick tests) s\u00e3o o m\u00e9todo de primeira linha: r\u00e1pidos, seguros e com boa sensibilidade, os resultados ficam dispon\u00edveis em 15-20 minutos. Em alternativa, podem ser doseadas as IgE espec\u00edficas s\u00e9ricas (ImmunoCAP).<\/p><p>O diagn\u00f3stico molecular (component-resolved diagnostics) permite identificar as prote\u00ednas alerg\u00e9nicas espec\u00edficas, melhorando a precis\u00e3o diagn\u00f3stica e a indica\u00e7\u00e3o para imunoterapia. A SPAIC disponibiliza informa\u00e7\u00e3o sobre centros de imunoalergologia em Portugal.<\/p><h2><strong>Tratamento: Medica\u00e7\u00e3o e Imunoterapia<\/strong><\/h2><p>O tratamento inclui evic\u00e7\u00e3o al\u00e9rg\u00e9nica, farmacoterapia e imunoterapia espec\u00edfica. Os anti-histam\u00ednicos orais de segunda gera\u00e7\u00e3o (cetirizina, bilastina, fexofenadina) s\u00e3o primeira linha para rinite. Os corticosteroides nasais (fluticasona, mometasona) s\u00e3o o tratamento mais eficaz para a rinite moderada\/grave. Para a asma, os corticosteroides inalados com broncodilatadores de longa a\u00e7\u00e3o s\u00e3o a base terap\u00eautica.<\/p><p>A imunoterapia espec\u00edfica (sublingual ou subcut\u00e2nea) \u00e9 a \u00fanica terap\u00eautica capaz de modificar a hist\u00f3ria natural da doen\u00e7a al\u00e9rgica, prevenindo a progress\u00e3o para asma e o desenvolvimento de novas sensibiliza\u00e7\u00f5es, segundo a EAACI. \u00c9 administrada durante 3 a 5 anos.<\/p><p><em>Na <strong>M\u00e9dico na Net<\/strong>, a <strong>equipa cl\u00ednica<\/strong> avalia\u00a0<\/em><a href=\"https:\/\/www.mediconanet.pt\/produto\/alergias\/\" target=\"_blank\" rel=\"noopener\"><b>sintomas respirat\u00f3rios al\u00e9rgicos<\/b><\/a><em>, orienta sobre investiga\u00e7\u00e3o diagn\u00f3stica e op\u00e7\u00f5es de tratamento, e referencia para consulta de imunoalergologia quando indicado.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-375973d elementor-widget elementor-widget-image\" data-id=\"375973d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/03\/Imagem-para-Redes-Sociais-a-Rosa-sobre-Descontos-de-Primavera-37.jpg\" title=\"Alergias respirat\u00f3rias: acompanhamento e controlo dos sintomas\" alt=\"Pessoa a fazer acompanhamento de alergias respirat\u00f3rias por videochamada no computador\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1545e08 e-flex e-con-boxed e-con e-parent\" data-id=\"1545e08\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9ad30cf e-con-full e-flex e-con e-child\" data-id=\"9ad30cf\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-66e4f21 e-con-full e-flex e-con e-child\" data-id=\"66e4f21\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c44ae3e elementor-widget elementor-widget-heading\" data-id=\"c44ae3e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Perguntas frequentes (FAQ)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-439b5c3 elementor-widget elementor-widget-n-accordion\" data-id=\"439b5c3\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-7080\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-7080\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> As alergias respirat\u00f3rias podem aparecer em qualquer idade? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7080\" class=\"elementor-element elementor-element-d801294 e-con-full e-flex e-con e-child\" data-id=\"d801294\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7080\" class=\"elementor-element elementor-element-67dd609 e-flex e-con-boxed e-con e-child\" data-id=\"67dd609\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2204be5 elementor-widget elementor-widget-text-editor\" data-id=\"2204be5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sim. Embora muitas se manifestem na inf\u00e2ncia, \u00e9 poss\u00edvel desenvolver alergias respirat\u00f3rias em qualquer idade. As mudan\u00e7as de ambiente, a exposi\u00e7\u00e3o a novos al\u00e9rgenos e altera\u00e7\u00f5es hormonais podem desencadear novas sensibiliza\u00e7\u00f5es.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-7081\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-7081\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Anti-histam\u00ednicos causam sonol\u00eancia? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7081\" class=\"elementor-element elementor-element-f07e3ff e-con-full e-flex e-con e-child\" data-id=\"f07e3ff\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7081\" class=\"elementor-element elementor-element-ba0d7df e-flex e-con-boxed e-con e-child\" data-id=\"ba0d7df\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bd0918d elementor-widget elementor-widget-text-editor\" data-id=\"bd0918d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Os anti-histam\u00ednicos de segunda gera\u00e7\u00e3o (cetirizina, bilastina, fexofenadina) causam significativamente menos sonol\u00eancia do que os de primeira gera\u00e7\u00e3o. A bilastina e a fexofenadina s\u00e3o os que menos afetam o desempenho cognitivo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-7082\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-7082\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> A imunoterapia (vacinas da alergia) \u00e9 eficaz? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7082\" class=\"elementor-element elementor-element-1948aa2 e-con-full e-flex e-con e-child\" data-id=\"1948aa2\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7082\" class=\"elementor-element elementor-element-44203e4 e-flex e-con-boxed e-con e-child\" data-id=\"44203e4\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-90363e4 elementor-widget elementor-widget-text-editor\" data-id=\"90363e4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sim. A imunoterapia espec\u00edfica com al\u00e9rgenos \u00e9 o \u00fanico tratamento que modifica a hist\u00f3ria natural da doen\u00e7a al\u00e9rgica. Reduz sintomas, diminui necessidade de medica\u00e7\u00e3o, previne novas sensibiliza\u00e7\u00f5es e reduz o risco de progress\u00e3o para asma.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-7083\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-7083\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Devo ter purificador de ar em casa? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7083\" class=\"elementor-element elementor-element-e6b82d0 e-con-full e-flex e-con e-child\" data-id=\"e6b82d0\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7083\" class=\"elementor-element elementor-element-ff98332 e-flex e-con-boxed e-con e-child\" data-id=\"ff98332\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b745fb3 elementor-widget elementor-widget-text-editor\" data-id=\"b745fb3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Os purificadores de ar com filtro HEPA podem ajudar a reduzir al\u00e9rgenos em suspens\u00e3o no ar interior. S\u00e3o um complemento \u00fatil, mas n\u00e3o substituem outras medidas de evic\u00e7\u00e3o como capas anti-\u00e1caros, aspira\u00e7\u00e3o regular e ventila\u00e7\u00e3o adequada.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-7084\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-7084\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> A rinite al\u00e9rgica pode causar sinusite? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7084\" class=\"elementor-element elementor-element-7547615 e-con-full e-flex e-con e-child\" data-id=\"7547615\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-7084\" class=\"elementor-element elementor-element-8c9a957 e-flex e-con-boxed e-con e-child\" data-id=\"8c9a957\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2f07efa elementor-widget elementor-widget-text-editor\" data-id=\"2f07efa\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sim. A inflama\u00e7\u00e3o al\u00e9rgica cr\u00f3nica da mucosa nasal pode obstruir os ostios sinusais, predispondo a sinusite. O tratamento adequado da rinite reduz o risco de complica\u00e7\u00f5es sinusais.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"As alergias respirat\\u00f3rias podem aparecer em qualquer idade?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim. Embora muitas se manifestem na inf\\u00e2ncia, \\u00e9 poss\\u00edvel desenvolver alergias respirat\\u00f3rias em qualquer idade. As mudan\\u00e7as de ambiente, a exposi\\u00e7\\u00e3o a novos al\\u00e9rgenos e altera\\u00e7\\u00f5es hormonais podem desencadear novas sensibiliza\\u00e7\\u00f5es.\"}},{\"@type\":\"Question\",\"name\":\"Anti-histam\\u00ednicos causam sonol\\u00eancia?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Os anti-histam\\u00ednicos de segunda gera\\u00e7\\u00e3o (cetirizina, bilastina, fexofenadina) causam significativamente menos sonol\\u00eancia do que os de primeira gera\\u00e7\\u00e3o. A bilastina e a fexofenadina s\\u00e3o os que menos afetam o desempenho cognitivo.\"}},{\"@type\":\"Question\",\"name\":\"A imunoterapia (vacinas da alergia) \\u00e9 eficaz?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim. A imunoterapia espec\\u00edfica com al\\u00e9rgenos \\u00e9 o \\u00fanico tratamento que modifica a hist\\u00f3ria natural da doen\\u00e7a al\\u00e9rgica. Reduz sintomas, diminui necessidade de medica\\u00e7\\u00e3o, previne novas sensibiliza\\u00e7\\u00f5es e reduz o risco de progress\\u00e3o para asma.\"}},{\"@type\":\"Question\",\"name\":\"Devo ter purificador de ar em casa?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Os purificadores de ar com filtro HEPA podem ajudar a reduzir al\\u00e9rgenos em suspens\\u00e3o no ar interior. S\\u00e3o um complemento \\u00fatil, mas n\\u00e3o substituem outras medidas de evic\\u00e7\\u00e3o como capas anti-\\u00e1caros, aspira\\u00e7\\u00e3o regular e ventila\\u00e7\\u00e3o adequada.\"}},{\"@type\":\"Question\",\"name\":\"A rinite al\\u00e9rgica pode causar sinusite?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim. A inflama\\u00e7\\u00e3o al\\u00e9rgica cr\\u00f3nica da mucosa nasal pode obstruir os ostios sinusais, predispondo a sinusite. O tratamento adequado da rinite reduz o risco de complica\\u00e7\\u00f5es sinusais.\"}}]}<\/script>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-02d7fba e-flex e-con-boxed e-con e-parent\" data-id=\"02d7fba\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ca91313 elementor-widget elementor-widget-text-editor\" data-id=\"ca91313\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Conclus\u00e3o<\/strong><\/h2><p>As <b>alergias respirat\u00f3rias<\/b> s\u00e3o extremamente prevalentes em Portugal e t\u00eam impacto significativo na qualidade de vida e produtividade. O diagn\u00f3stico correto com testes al\u00e9rgicos validados \u00e9 fundamental para orientar o tratamento. A imunoterapia espec\u00edfica permanece como a \u00fanica abordagem capaz de modificar a evolu\u00e7\u00e3o natural da doen\u00e7a.<\/p><h2><strong>Refer\u00eancias<\/strong><\/h2><p><a href=\"https:\/\/www.spaic.pt\/\" target=\"_blank\" rel=\"dofollow noopener\">Sociedade Portuguesa de Alergologia e Imunologia Cl\u00ednica (SPAIC). Rinite Al\u00e9rgica \u2014 Recomenda\u00e7\u00f5es<\/a><\/p><p><a href=\"https:\/\/www.eaaci.org\/\" target=\"_blank\" rel=\"dofollow noopener\">European Academy of Allergy and Clinical Immunology (EAACI). Guidelines on Allergen Immunotherapy<\/a><\/p><p><a href=\"https:\/\/www.aria-allergy.org\/\" target=\"_blank\" rel=\"dofollow noopener\">Bousquet J, et al. ARIA Update \u2014 Allergic Rhinitis and Asthma<\/a><\/p><p><a href=\"https:\/\/ginasthma.org\/\" target=\"_blank\" rel=\"dofollow noopener\">Global Initiative for Asthma (GINA). Global Strategy for Asthma Management<\/a><\/p><p><a href=\"https:\/\/www.dgs.pt\/\" target=\"_blank\" rel=\"dofollow noopener\">Dire\u00e7\u00e3o-Geral da Sa\u00fade (DGS). Programa Nacional para as Doen\u00e7as Respirat\u00f3rias<\/a><\/p><p><a href=\"https:\/\/onlinelibrary.wiley.com\/\" target=\"_blank\" rel=\"dofollow noopener\">Pereira AM, et al. Prevalence of allergic rhinitis in Portugal (ARPA study)<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Introdu\u00e7\u00e3o As alergias respirat\u00f3rias s\u00e3o um problema de sa\u00fade p\u00fablica crescente, afetando mais de 30% da popula\u00e7\u00e3o portuguesa, segundo a Sociedade Portuguesa de Alergologia e Imunologia Cl\u00ednica (SPAIC). A rinite al\u00e9rgica e a asma al\u00e9rgica s\u00e3o as manifesta\u00e7\u00f5es mais comuns, podendo coexistir no mesmo doente num conceito designado &#8220;via a\u00e9rea \u00fanica&#8221;. O reconhecimento precoce e [&hellip;]<\/p>\n","protected":false},"author":13102,"featured_media":59980,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[253],"tags":[],"class_list":["post-59858","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alergologia"],"jetpack_featured_media_url":"https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/03\/Imagem-para-Redes-Sociais-a-Rosa-sobre-Descontos-de-Primavera-43.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/59858","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/users\/13102"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/comments?post=59858"}],"version-history":[{"count":16,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/59858\/revisions"}],"predecessor-version":[{"id":60045,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/59858\/revisions\/60045"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/media\/59980"}],"wp:attachment":[{"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/media?parent=59858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/categories?post=59858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/tags?post=59858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}