{"id":56899,"date":"2026-03-02T18:22:53","date_gmt":"2026-03-02T18:22:53","guid":{"rendered":"https:\/\/www.mediconanet.pt\/?p=56899"},"modified":"2026-03-03T12:18:45","modified_gmt":"2026-03-03T12:18:45","slug":"terapia-para-alopecia-areata-funciona","status":"publish","type":"post","link":"https:\/\/www.mediconanet.pt\/en\/terapia-para-alopecia-areata-funciona\/","title":{"rendered":"Queda de Cabelo: Alopecia Areata e Terapias Imunol\u00f3gicas"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"56899\" class=\"elementor elementor-56899\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8407b09 e-flex e-con-boxed e-con e-parent\" data-id=\"8407b09\" 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-cf9e631 elementor-widget elementor-widget-text-editor\" data-id=\"cf9e631\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 data-section-id=\"hu97kh\" data-start=\"263\" data-end=\"276\">Introdu\u00e7\u00e3o<\/h2><p data-start=\"278\" data-end=\"736\">A alopecia areata (AA) \u00e9 uma doen\u00e7a autoimune caracterizada por perda s\u00fabita e n\u00e3o cicatricial de cabelo em \u00e1reas circunscritas. A incid\u00eancia anual varia de 2,53 a 26 por 100 000 habitantes e a preval\u00eancia ao longo da vida aproxima-se de 2 %. Nas \u00faltimas d\u00e9cadas, terapias imunomoduladoras, como inibidores da Janus cinase (JAK), emergiram como op\u00e7\u00f5es promissoras para casos graves, representando uma nova <strong data-start=\"684\" data-end=\"716\">terapia para alopecia areata<\/strong> em formas extensas.<\/p><h2 data-section-id=\"1omgc6x\" data-start=\"738\" data-end=\"775\">Patog\u00e9nese e variabilidade cl\u00ednica<\/h2><p data-start=\"777\" data-end=\"1383\">AA resulta da quebra da \u201cprivilegiada imunol\u00f3gica\u201d dos fol\u00edculos pilosos, levando a uma infiltra\u00e7\u00e3o de linf\u00f3citos T e citocinas inflamat\u00f3rias. O espectro cl\u00ednico inclui alopecia em placas, totalis (perda total do couro cabeludo) e universalis (perda de todo o p\u00ealo corporal). Estudos mostram que a incid\u00eancia aumentou 49 % entre 1990 e 2019, com maior preval\u00eancia em adultos e mulheres. Variantes severas associam-se a comorbilidades como depress\u00e3o, ansiedade e doen\u00e7as autoimunes (tireoidite autoimune, vitiligo, l\u00fapus), fatores que influenciam a escolha da <strong data-start=\"1336\" data-end=\"1368\">terapia para alopecia areata<\/strong> mais adequada.<\/p><h2 data-section-id=\"301j6g\" data-start=\"1385\" data-end=\"1421\">Novas terapias: Inibidores de JAK<\/h2><p data-start=\"1423\" data-end=\"1951\">Baricitinib, um inibidor de JAK1\/JAK2, mostrou efic\u00e1cia significativa em ensaio cl\u00ednico de fase 2 em adultos com AA severa. Aos 36 semanas, 33,3 % dos participantes que receberam 2 mg e 51,9 % dos que receberam 4 mg alcan\u00e7aram um valor no Severity of Alopecia Tool (SALT) \u2264 20, em compara\u00e7\u00e3o com 3,6 % no grupo placebo. O medicamento foi bem tolerado e os efeitos adversos n\u00e3o diferiram substancialmente do placebo. Estes resultados consolidam o baricitinib como uma importante <strong data-start=\"1901\" data-end=\"1933\">terapia para alopecia areata<\/strong> em casos severos.<\/p><p data-start=\"1953\" data-end=\"2369\">Uma meta-an\u00e1lise recente avaliou a efic\u00e1cia e seguran\u00e7a do ritlecitinib (inibidor de JAK3\/TEC) em adultos e adolescentes. O estudo reportou redu\u00e7\u00e3o significativa do SALT a 12 e 24 semanas (diferen\u00e7a m\u00e9dia de \u201317,43 e \u201320,95 pontos, respectivamente) em compara\u00e7\u00e3o com placebo. Estes achados refor\u00e7am o potencial desta mol\u00e9cula como <strong data-start=\"2284\" data-end=\"2316\">terapia para alopecia areata<\/strong>, ainda que estudos de longo prazo sejam necess\u00e1rios.<\/p><h2 data-section-id=\"1mpkfna\" data-start=\"2371\" data-end=\"2399\">Tratamentos convencionais na terapia para alopecia areata<\/h2><p data-start=\"2401\" data-end=\"2805\">A primeira linha para AA inclui corticosteroides t\u00f3picos, intralesionais ou sist\u00e9micos; imunoterapia com difenciprona ou \u00e1cido squ\u00e1rico; e minoxidil t\u00f3pico. Em casos refract\u00e1rios, imunomoduladores orais como metotrexato, azatioprina e ciclosporina podem ser usados. As terapias JAK representam um avan\u00e7o significativo como <strong data-start=\"2724\" data-end=\"2756\">terapia para alopecia areata<\/strong>, mas exigem monitoriza\u00e7\u00e3o laboratorial adequada.<\/p><p data-start=\"2807\" data-end=\"2975\">Os dermatologistas da <strong>M\u00e9dico na Net<\/strong> podem avaliar o tipo de alopecia, discutir a melhor <strong data-start=\"2895\" data-end=\"2927\">terapia para alopecia areata<\/strong> para cada caso e acompanhar a evolu\u00e7\u00e3o cl\u00ednica atrav\u00e9s de <a href=\"https:\/\/www.mediconanet.pt\/produto\/queda-cabelo\/\"><strong>consulta online<\/strong><\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7328d86 elementor-widget elementor-widget-image\" data-id=\"7328d86\" 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 fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"437\" src=\"https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/03\/queda-de-cabelo-alopecia-areata-terapias-1024x559.jpg\" class=\"attachment-large size-large wp-image-56996\" alt=\"terapia para alopecia areata em paciente com queda de cabelo localizada\" srcset=\"https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/03\/queda-de-cabelo-alopecia-areata-terapias-1024x559.jpg 1024w, https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/03\/queda-de-cabelo-alopecia-areata-terapias-300x164.jpg 300w, https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/03\/queda-de-cabelo-alopecia-areata-terapias-768x419.jpg 768w, https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/03\/queda-de-cabelo-alopecia-areata-terapias-18x10.jpg 18w, https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/03\/queda-de-cabelo-alopecia-areata-terapias-600x327.jpg 600w, https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/03\/queda-de-cabelo-alopecia-areata-terapias.jpg 1408w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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-b1e120b e-flex e-con-boxed e-con e-parent\" data-id=\"b1e120b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-66c2798 e-con-full e-flex e-con e-child\" data-id=\"66c2798\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-833c187 e-con-full e-flex e-con e-child\" data-id=\"833c187\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b02d3ac elementor-widget elementor-widget-heading\" data-id=\"b02d3ac\" 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-939fc77 elementor-widget elementor-widget-n-accordion\" data-id=\"939fc77\" 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-1540\" 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-1540\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> AA \u00e9 contagiosa? <\/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-1540\" class=\"elementor-element elementor-element-2d17868 e-con-full e-flex e-con e-child\" data-id=\"2d17868\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1540\" class=\"elementor-element elementor-element-92a41a0 e-flex e-con-boxed e-con e-child\" data-id=\"92a41a0\" 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-1642bce elementor-widget elementor-widget-text-editor\" data-id=\"1642bce\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4177\" data-end=\"4329\">N\u00e3o. AA \u00e9 uma doen\u00e7a autoimune e n\u00e3o se transmite por contacto.<\/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-1541\" 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-1541\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> O cabelo volta a crescer sem tratamento? <\/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-1541\" class=\"elementor-element elementor-element-2a360aa e-con-full e-flex e-con e-child\" data-id=\"2a360aa\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1541\" class=\"elementor-element elementor-element-9701fd0 e-flex e-con-boxed e-con e-child\" data-id=\"9701fd0\" 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-4b2a33b elementor-widget elementor-widget-text-editor\" data-id=\"4b2a33b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Em muitos casos, especialmente os mais limitados, o cabelo pode voltar a crescer espontaneamente. Todavia, recidivas s\u00e3o comuns e a recupera\u00e7\u00e3o total n\u00e3o est\u00e1 garantida, sobretudo em formas mais severas que podem exigir terapia para alopecia areata.<\/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-1542\" 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-1542\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Os inibidores de JAK s\u00e3o seguros a longo prazo? <\/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-1542\" class=\"elementor-element elementor-element-3b13fd1 e-con-full e-flex e-con e-child\" data-id=\"3b13fd1\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1542\" class=\"elementor-element elementor-element-76e0671 e-flex e-con-boxed e-con e-child\" data-id=\"76e0671\" 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-9aa10ab elementor-widget elementor-widget-text-editor\" data-id=\"9aa10ab\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Os ensaios mostram boa tolerabilidade a curto prazo, mas ainda faltam dados de longo prazo. Monitoriza\u00e7\u00e3o de enzimas hep\u00e1ticas, l\u00edpidos e sinais de infe\u00e7\u00e3o \u00e9 necess\u00e1ria durante a terapia para alopecia areata com estes medicamentos.<\/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-1543\" 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-1543\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> A alopecia areata pode evoluir para formas mais graves? <\/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-1543\" class=\"elementor-element elementor-element-708c0ba e-con-full e-flex e-con e-child\" data-id=\"708c0ba\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1543\" class=\"elementor-element elementor-element-9967067 e-flex e-con-boxed e-con e-child\" data-id=\"9967067\" 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-a017a48 elementor-widget elementor-widget-text-editor\" data-id=\"a017a48\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sim. Em alguns casos pode progredir para alopecia totalis ou universalis, exigindo avalia\u00e7\u00e3o especializada e eventual ajuste da terapia para alopecia areata.<\/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-1544\" 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-1544\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Quando devo procurar tratamento m\u00e9dico? <\/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-1544\" class=\"elementor-element elementor-element-b08f4d1 e-con-full e-flex e-con e-child\" data-id=\"b08f4d1\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1544\" class=\"elementor-element elementor-element-73c5f4c e-flex e-con-boxed e-con e-child\" data-id=\"73c5f4c\" 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-65b0ca4 elementor-widget elementor-widget-text-editor\" data-id=\"65b0ca4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"6119\" data-end=\"6336\">Deve procurar avalia\u00e7\u00e3o dermatol\u00f3gica quando a queda de cabelo for persistente, extensa ou causar impacto emocional significativo, para definir a terapia para alopecia areata mais 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<\/div>\n\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"AA \\u00e9 contagiosa?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"N\\u00e3o. AA \\u00e9 uma doen\\u00e7a autoimune e n\\u00e3o se transmite por contacto.\"}},{\"@type\":\"Question\",\"name\":\"O cabelo volta a crescer sem tratamento?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Em muitos casos, especialmente os mais limitados, o cabelo pode voltar a crescer espontaneamente. Todavia, recidivas s\\u00e3o comuns e a recupera\\u00e7\\u00e3o total n\\u00e3o est\\u00e1 garantida, sobretudo em formas mais severas que podem exigir terapia para alopecia areata.\"}},{\"@type\":\"Question\",\"name\":\"Os inibidores de JAK s\\u00e3o seguros a longo prazo?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Os ensaios mostram boa tolerabilidade a curto prazo, mas ainda faltam dados de longo prazo. Monitoriza\\u00e7\\u00e3o de enzimas hep\\u00e1ticas, l\\u00edpidos e sinais de infe\\u00e7\\u00e3o \\u00e9 necess\\u00e1ria durante a terapia para alopecia areata com estes medicamentos.\"}},{\"@type\":\"Question\",\"name\":\"A alopecia areata pode evoluir para formas mais graves?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim. Em alguns casos pode progredir para alopecia totalis ou universalis, exigindo avalia\\u00e7\\u00e3o especializada e eventual ajuste da terapia para alopecia areata.\"}},{\"@type\":\"Question\",\"name\":\"Quando devo procurar tratamento m\\u00e9dico?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Deve procurar avalia\\u00e7\\u00e3o dermatol\\u00f3gica quando a queda de cabelo for persistente, extensa ou causar impacto emocional significativo, para definir a terapia para alopecia areata mais adequada.\"}}]}<\/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-b6e1950 e-flex e-con-boxed e-con e-parent\" data-id=\"b6e1950\" 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-0760144 elementor-widget elementor-widget-text-editor\" data-id=\"0760144\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 data-section-id=\"h85oci\" data-start=\"4133\" data-end=\"4145\">Conclus\u00e3o<\/h2>\n<p data-start=\"4147\" data-end=\"4614\">Alopecia areata tem forte impacto emocional e social. As terapias de inibi\u00e7\u00e3o da Janus cinase, como baricitinib e ritlecitinib, oferecem esperan\u00e7a para casos severos, mostrando redu\u00e7\u00e3o significativa no SALT e melhoria da qualidade de vida. No entanto, abordagens convencionais como corticosteroides e imunoterapia ainda t\u00eam um papel fundamental, e a escolha da terapia para alopecia areata deve considerar a gravidade, as comorbilidades e as prefer\u00eancias do paciente.<\/p>\n\n<h2>Refer\u00eancias<\/h2>\n<p data-start=\"4147\" data-end=\"4614\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/34090959\/\" rel=\"nofollow noopener\" target=\"_blank\"><strong>Brett King et al. <\/strong><em>Efficacy and safety of baricitinib in patients with severe alopecia areata: Phase 2 study (2021)<\/em><\/a>\n<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40142626\/\" rel=\"dofollow noopener\" target=\"_blank\"><strong>Samah O.A. Alfahl et al.<\/strong> <em>Safety and Efficacy of Ritlecitinib for the Treatment of Patients with Alopecia Areata (2025)<\/em><\/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 alopecia areata (AA) \u00e9 uma doen\u00e7a autoimune caracterizada por perda s\u00fabita e n\u00e3o cicatricial de cabelo em \u00e1reas circunscritas. A incid\u00eancia anual varia de 2,53 a 26 por 100 000 habitantes e a preval\u00eancia ao longo da vida aproxima-se de 2 %. Nas \u00faltimas d\u00e9cadas, terapias imunomoduladoras, como inibidores da Janus cinase (JAK), [&hellip;]<\/p>\n","protected":false},"author":2964,"featured_media":56997,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[61],"tags":[],"class_list":["post-56899","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-medicina-geral"],"jetpack_featured_media_url":"https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/03\/alopecia-areata-queda-de-cabelo.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/56899","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\/2964"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/comments?post=56899"}],"version-history":[{"count":7,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/56899\/revisions"}],"predecessor-version":[{"id":57000,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/56899\/revisions\/57000"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/media\/56997"}],"wp:attachment":[{"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/media?parent=56899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/categories?post=56899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/tags?post=56899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}