{"id":59868,"date":"2026-03-31T16:18:50","date_gmt":"2026-03-31T15:18:50","guid":{"rendered":"https:\/\/www.mediconanet.pt\/?p=59868"},"modified":"2026-04-01T16:35:12","modified_gmt":"2026-04-01T15:35:12","slug":"alergia-alimentar-sintomas-diagnostico","status":"publish","type":"post","link":"https:\/\/staging.mediconanet.pt\/en\/alergia-alimentar-sintomas-diagnostico\/","title":{"rendered":"Alergia Alimentar: O Que Precisa de Saber"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"59868\" class=\"elementor elementor-59868\" 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\" data-e-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-e-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>A <b>alergia alimentar<\/b> \u00e9 uma rea\u00e7\u00e3o adversa do sistema imunit\u00e1rio a determinadas prote\u00ednas presentes nos alimentos, que pode variar desde sintomas ligeiros a rea\u00e7\u00f5es potencialmente fatais. Segundo a European Academy of Allergy and Clinical Immunology (EAACI), a preval\u00eancia tem aumentado nas \u00faltimas d\u00e9cadas, afetando 6 a 8% das crian\u00e7as e 2 a 3% dos adultos na Europa. Em Portugal, a SPAIC confirma esta tend\u00eancia crescente.<\/p><p>\u00c9 fundamental distinguir <b>alergia alimentar<\/b> de intoler\u00e2ncia alimentar. A alergia envolve o sistema imunit\u00e1rio (rea\u00e7\u00e3o mediada por IgE ou por c\u00e9lulas) e pode causar sintomas graves incluindo anafilaxia. A intoler\u00e2ncia (como a intoler\u00e2ncia \u00e0 lactose) \u00e9 uma rea\u00e7\u00e3o n\u00e3o imunol\u00f3gica, geralmente digestiva, que causa desconforto mas n\u00e3o \u00e9 perigosa. O National Institute of Allergy and Infectious Diseases (NIAID) dos EUA sublinha que esta distin\u00e7\u00e3o \u00e9 essencial para evitar diagn\u00f3sticos errados e restri\u00e7\u00f5es alimentares desnecess\u00e1rias.<\/p><h2><strong>Alimentos Mais Frequentemente Envolvidos<\/strong><\/h2><p>Os oito alimentos respons\u00e1veis pela maioria das <b>alergias alimentares<\/b> s\u00e3o: leite de vaca, ovo, amendoim, frutos de casca rija, trigo, soja, peixe e marisco. Em Portugal, a alergia ao marisco e ao peixe \u00e9 particularmente relevante dado o elevado consumo. A legisla\u00e7\u00e3o europeia (Regulamento UE n.\u00ba 1169\/2011) obriga \u00e0 declara\u00e7\u00e3o de 14 al\u00e9rgenos nos r\u00f3tulos alimentares e na restaura\u00e7\u00e3o.<\/p><p>Nas crian\u00e7as, as alergias ao leite e ao ovo s\u00e3o as mais frequentes e tendem a resolver-se com a idade em 70-80% dos casos. As alergias ao amendoim, frutos de casca rija e marisco tendem a ser mais persistentes e a acompanhar o indiv\u00edduo durante toda a vida.<\/p><h2><strong>Sintomas: Do Ligeiro ao Grave<\/strong><\/h2><p>Os sintomas surgem minutos a horas ap\u00f3s a ingest\u00e3o e incluem: urtic\u00e1ria, angioedema, v\u00f3mitos, diarreia, dor abdominal, tosse, sibil\u00e2ncia e, nos casos mais graves, anafilaxia \u2014 rea\u00e7\u00e3o sist\u00e9mica que pode provocar hipotens\u00e3o, perda de consci\u00eancia e paragem cardiorrespirat\u00f3ria. A anafilaxia \u00e9 uma emerg\u00eancia m\u00e9dica que requer administra\u00e7\u00e3o imediata de adrenalina intramuscular (auto-injetor).<\/p><p>A World Allergy Organization (WAO) estima que a <b>alergia alimentar <\/b>\u00e9 a causa mais comum de anafilaxia em crian\u00e7as e adolescentes. A gravidade da rea\u00e7\u00e3o pode variar de epis\u00f3dio para epis\u00f3dio no mesmo indiv\u00edduo, dependendo de fatores como a quantidade ingerida, exerc\u00edcio f\u00edsico concomitante e infe\u00e7\u00f5es intercorrentes.<\/p><h2><strong>Diagn\u00f3stico: Como Se Confirma?<\/strong><\/h2><p>O diagn\u00f3stico baseia-se na hist\u00f3ria cl\u00ednica detalhada, nos testes cut\u00e2neos por picada, na dosagem de IgE espec\u00edficas e, quando necess\u00e1rio, na prova de provoca\u00e7\u00e3o oral em ambiente hospitalar \u2014 o gold standard diagn\u00f3stico. A EAACI desaconselha testes n\u00e3o validados (IgG a alimentos, bioresson\u00e2ncia, kinesiologia) por serem pouco fi\u00e1veis e conduzirem a restri\u00e7\u00f5es injustificadas.<\/p><p>O diagn\u00f3stico molecular permite identificar com maior precis\u00e3o as prote\u00ednas alerg\u00e9nicas envolvidas, distinguindo alergias verdadeiras de reatividades cruzadas. Esta informa\u00e7\u00e3o \u00e9 crucial para avaliar o risco de rea\u00e7\u00f5es graves e para orientar a introdu\u00e7\u00e3o alimentar.<\/p><h2><strong>Tratamento e Gest\u00e3o no Dia a Dia<\/strong><\/h2><p>O pilar do tratamento \u00e9 a evic\u00e7\u00e3o rigorosa do alimento causador. Doentes e cuidadores devem ser educados sobre leitura de r\u00f3tulos, preven\u00e7\u00e3o da contamina\u00e7\u00e3o cruzada e gest\u00e3o de emerg\u00eancias. Os doentes com risco de anafilaxia devem ter sempre dispon\u00edvel um auto-injetor de adrenalina e saber utiliz\u00e1-lo. Escolas e restaurantes devem estar informados sobre os al\u00e9rgenos do doente.<\/p><p>A imunoterapia oral (dessensibiliza\u00e7\u00e3o) para alguns alimentos, como o amendoim, tem mostrado resultados promissores e est\u00e1 aprovada em alguns pa\u00edses. Em Portugal, a SPAIC e os servi\u00e7os de Imunoalergologia dos hospitais centrais disponibilizam consultas especializadas e seguimento adequado.<\/p><p><i>Na <\/i><strong style=\"font-style: italic;\">M\u00e9dico na Net<\/strong><i>, oferecemos <\/i><strong style=\"font-style: italic;\">avalia\u00e7\u00e3o cl\u00ednica<\/strong><i> de suspeita de<b>\u00a0<\/b><\/i><a href=\"https:\/\/staging.mediconanet.pt\/produto\/consulta-de-nutricao\/\" target=\"_blank\" rel=\"noopener\"><b>alergia alimentar<\/b><\/a><i>, orienta\u00e7\u00e3o sobre investiga\u00e7\u00e3o diagn\u00f3stica, educa\u00e7\u00e3o sobre evic\u00e7\u00e3o alimentar e gest\u00e3o de emerg\u00eancias, e referencia\u00e7\u00e3o para imunoalergologia quando indicado.<\/i><\/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-e-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:\/\/staging.mediconanet.pt\/wp-content\/uploads\/2026\/03\/Imagem-para-Redes-Sociais-a-Rosa-sobre-Descontos-de-Primavera-38.jpg\" title=\"Alergia alimentar: acompanhamento e orienta\u00e7\u00e3o \u00e0 dist\u00e2ncia\" alt=\"Pessoa a receber orienta\u00e7\u00e3o sobre alergia alimentar atrav\u00e9s de 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\" data-e-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\" data-e-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\" data-e-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-e-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-e-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\"> A alergia alimentar tem cura? <\/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\" data-e-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\" data-e-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-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Algumas <b>alergias alimentares<\/b> da inf\u00e2ncia (leite, ovo) resolvem-se com a idade em muitos casos. Outras (amendoim, frutos secos, marisco) tendem a persistir. A imunoterapia oral \u00e9 uma abordagem promissora que pode aumentar a toler\u00e2ncia, mas n\u00e3o constitui uma cura definitiva.<\/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\"> O meu filho pode ter anafilaxia pela primeira vez? <\/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\" data-e-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\" data-e-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-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sim, a anafilaxia pode ocorrer na primeira exposi\u00e7\u00e3o reconhecida ao al\u00e9rgeno. Por isso, \u00e9 importante diagnosticar a alergia alimentar corretamente e ter sempre dispon\u00edvel um auto-injetor de adrenalina quando prescrito.<\/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\"> Os testes de IgG a alimentos s\u00e3o fi\u00e1veis? <\/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\" data-e-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\" data-e-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-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>N\u00e3o. Os testes de IgG a alimentos n\u00e3o s\u00e3o recomendados por nenhuma sociedade cient\u00edfica de refer\u00eancia para o diagn\u00f3stico de alergia alimentar. A presen\u00e7a de IgG reflete exposi\u00e7\u00e3o ao alimento, n\u00e3o alergia.<\/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\"> Posso comer fora de casa se tiver alergia alimentar? <\/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\" data-e-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\" data-e-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-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sim, com precau\u00e7\u00f5es. Informe sempre o restaurante sobre a sua alergia. A legisla\u00e7\u00e3o europeia obriga \u00e0 informa\u00e7\u00e3o sobre al\u00e9rgenos na restaura\u00e7\u00e3o. Evite pratos com elevado risco de contamina\u00e7\u00e3o cruzada e tenha sempre o auto-injetor consigo.<\/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 alergia alimentar \u00e9 diferente de intoler\u00e2ncia \u00e0 lactose? <\/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\" data-e-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\" data-e-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-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sim, com precau\u00e7\u00f5es. Informe sempre o restaurante sobre a sua alergia. A legisla\u00e7\u00e3o europeia obriga \u00e0 informa\u00e7\u00e3o sobre al\u00e9rgenos na restaura\u00e7\u00e3o. Evite pratos com elevado risco de contamina\u00e7\u00e3o cruzada e tenha sempre o auto-injetor consigo.<\/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\":\"A alergia alimentar tem cura?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Algumas alergias alimentares da inf\\u00e2ncia (leite, ovo) resolvem-se com a idade em muitos casos. Outras (amendoim, frutos secos, marisco) tendem a persistir. A imunoterapia oral \\u00e9 uma abordagem promissora que pode aumentar a toler\\u00e2ncia, mas n\\u00e3o constitui uma cura definitiva.\"}},{\"@type\":\"Question\",\"name\":\"O meu filho pode ter anafilaxia pela primeira vez?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim, a anafilaxia pode ocorrer na primeira exposi\\u00e7\\u00e3o reconhecida ao al\\u00e9rgeno. Por isso, \\u00e9 importante diagnosticar a alergia alimentar corretamente e ter sempre dispon\\u00edvel um auto-injetor de adrenalina quando prescrito.\"}},{\"@type\":\"Question\",\"name\":\"Os testes de IgG a alimentos s\\u00e3o fi\\u00e1veis?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"N\\u00e3o. Os testes de IgG a alimentos n\\u00e3o s\\u00e3o recomendados por nenhuma sociedade cient\\u00edfica de refer\\u00eancia para o diagn\\u00f3stico de alergia alimentar. A presen\\u00e7a de IgG reflete exposi\\u00e7\\u00e3o ao alimento, n\\u00e3o alergia.\"}},{\"@type\":\"Question\",\"name\":\"Posso comer fora de casa se tiver alergia alimentar?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim, com precau\\u00e7\\u00f5es. Informe sempre o restaurante sobre a sua alergia. A legisla\\u00e7\\u00e3o europeia obriga \\u00e0 informa\\u00e7\\u00e3o sobre al\\u00e9rgenos na restaura\\u00e7\\u00e3o. Evite pratos com elevado risco de contamina\\u00e7\\u00e3o cruzada e tenha sempre o auto-injetor consigo.\"}},{\"@type\":\"Question\",\"name\":\"A alergia alimentar \\u00e9 diferente de intoler\\u00e2ncia \\u00e0 lactose?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim, com precau\\u00e7\\u00f5es. Informe sempre o restaurante sobre a sua alergia. A legisla\\u00e7\\u00e3o europeia obriga \\u00e0 informa\\u00e7\\u00e3o sobre al\\u00e9rgenos na restaura\\u00e7\\u00e3o. Evite pratos com elevado risco de contamina\\u00e7\\u00e3o cruzada e tenha sempre o auto-injetor consigo.\"}}]}<\/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\" data-e-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-e-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>A <b>alergia alimentar<\/b> \u00e9 uma condi\u00e7\u00e3o de preval\u00eancia crescente que requer diagn\u00f3stico correto, educa\u00e7\u00e3o do doente e dos cuidadores, e prepara\u00e7\u00e3o para emerg\u00eancias. A evic\u00e7\u00e3o rigorosa do al\u00e9rgeno continua a ser o tratamento principal, enquanto a imunoterapia oral representa uma op\u00e7\u00e3o terap\u00eautica promissora para o futuro.<\/p><h2><strong>Refer\u00eancias<\/strong><\/h2><p><a href=\"https:\/\/www.eaaci.org\/\" target=\"_blank\" rel=\"dofollow noopener\">European Academy of Allergy and Clinical Immunology (EAACI). Food Allergy and Anaphylaxis Guidelines<\/a><\/p><p><a href=\"https:\/\/www.spaic.pt\/\" target=\"_blank\" rel=\"dofollow noopener\">Sociedade Portuguesa de Alergologia e Imunologia Cl\u00ednica (SPAIC). Alergia Alimentar \u2014 Documento de Consenso<\/a><\/p><p><a href=\"https:\/\/www.niaid.nih.gov\/\" target=\"_blank\" rel=\"dofollow noopener\">National Institute of Allergy and Infectious Diseases (NIAID). Food Allergy Guidelines<\/a><\/p><p><a href=\"https:\/\/www.worldallergy.org\/\" target=\"_blank\" rel=\"dofollow noopener\">World Allergy Organization (WAO). Anaphylaxis Guidelines<\/a><\/p><p><a href=\"https:\/\/eur-lex.europa.eu\/\" target=\"_blank\" rel=\"dofollow noopener\">Regulamento (UE) n.\u00ba 1169\/2011 \u2014 Informa\u00e7\u00e3o aos consumidores<\/a><\/p><p><a href=\"https:\/\/onlinelibrary.wiley.com\/\" target=\"_blank\" rel=\"dofollow noopener\">Muraro A, et al. EAACI Food Allergy Guidelines<\/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 A alergia alimentar \u00e9 uma rea\u00e7\u00e3o adversa do sistema imunit\u00e1rio a determinadas prote\u00ednas presentes nos alimentos, que pode variar desde sintomas ligeiros a rea\u00e7\u00f5es potencialmente fatais. Segundo a European Academy of Allergy and Clinical Immunology (EAACI), a preval\u00eancia tem aumentado nas \u00faltimas d\u00e9cadas, afetando 6 a 8% das crian\u00e7as e 2 a 3% dos [&hellip;]<\/p>\n","protected":false},"author":13102,"featured_media":59974,"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-59868","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alergologia"],"jetpack_featured_media_url":"https:\/\/staging.mediconanet.pt\/wp-content\/uploads\/2026\/03\/Imagem-para-Redes-Sociais-a-Rosa-sobre-Descontos-de-Primavera-45.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/59868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/users\/13102"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/comments?post=59868"}],"version-history":[{"count":10,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/59868\/revisions"}],"predecessor-version":[{"id":60052,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/59868\/revisions\/60052"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/media\/59974"}],"wp:attachment":[{"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/media?parent=59868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/categories?post=59868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/tags?post=59868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}