{"id":59686,"date":"2026-03-30T15:35:54","date_gmt":"2026-03-30T14:35:54","guid":{"rendered":"https:\/\/www.mediconanet.pt\/?p=59686"},"modified":"2026-04-01T16:29:56","modified_gmt":"2026-04-01T15:29:56","slug":"infecao-urinaria-criancas-sintomas-diagnostico","status":"publish","type":"post","link":"https:\/\/staging.mediconanet.pt\/en\/infecao-urinaria-criancas-sintomas-diagnostico\/","title":{"rendered":"Infe\u00e7\u00e3o Urin\u00e1ria em Crian\u00e7as: O Que os Pais Devem Saber"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"59686\" class=\"elementor elementor-59686\" 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>infe\u00e7\u00e3o urin\u00e1ria<\/b> \u00e9 uma das infe\u00e7\u00f5es bacterianas mais frequentes na idade pedi\u00e1trica, afetando cerca de 8% das raparigas e 2% dos rapazes antes dos 7 anos de idade, segundo a Sociedade Portuguesa de Pediatria (SPP). O diagn\u00f3stico pode ser particularmente desafiante nos beb\u00e9s e crian\u00e7as pequenas, cujos sintomas s\u00e3o muitas vezes inespec\u00edficos, como febre isolada, irritabilidade ou recusa alimentar.<\/p><p>A dete\u00e7\u00e3o e o tratamento precoces s\u00e3o fundamentais para prevenir complica\u00e7\u00f5es renais a longo prazo. A American Academy of Pediatrics (AAP) sublinha que qualquer epis\u00f3dio de febre inexplicada em crian\u00e7as com menos de 2 anos deve motivar a pesquisa de <b>infe\u00e7\u00e3o urin\u00e1ria<\/b>. Em crian\u00e7as mais velhas, os sintomas assemelham-se aos dos adultos, com ardor ao urinar, necessidade urgente de ir \u00e0 casa de banho, dor abdominal e urina turva ou com cheiro intenso.<\/p><h2><strong>Causas e Fatores de Risco na Inf\u00e2ncia<\/strong><\/h2><p>A Escherichia coli \u00e9 o agente mais comum, respons\u00e1vel por cerca de 80% dos casos em pediatria. Os fatores de risco incluem o refluxo vesicoureteral (presente em cerca de 30% das crian\u00e7as com ITU febril), anomalias cong\u00e9nitas do trato urin\u00e1rio, obstipa\u00e7\u00e3o cr\u00f3nica, disfun\u00e7\u00e3o vesical e fimose nos rapazes. A Sociedade Portuguesa de Nefrologia Pedi\u00e1trica alerta que a obstipa\u00e7\u00e3o \u00e9 um fator frequentemente subdiagnosticado que contribui significativamente para a recorr\u00eancia.<\/p><p>A disfun\u00e7\u00e3o vesical \u2014 caracterizada por mic\u00e7\u00f5es incompletas, reten\u00e7\u00e3o urin\u00e1ria ou incontin\u00eancia diurna \u2014 \u00e9 outro fator importante, sobretudo nas crian\u00e7as em idade escolar. O treinamento esfincteriano precoce e for\u00e7ado pode contribuir para este problema.<\/p><h2><strong>Diagn\u00f3stico: A Import\u00e2ncia da Colheita Correta<\/strong><\/h2><p>O diagn\u00f3stico definitivo requer urocultura com colheita de urina adequada. Em crian\u00e7as sem controlo de esf\u00edncteres, a colheita por saco coletor tem uma elevada taxa de contamina\u00e7\u00e3o (falsos positivos), pelo que a cateteriza\u00e7\u00e3o vesical ou a pun\u00e7\u00e3o suprap\u00fabica s\u00e3o prefer\u00edveis quando se suspeita fortemente de infe\u00e7\u00e3o. O National Institute for Health and Care Excellence (NICE) recomenda a colheita por jato m\u00e9dio em crian\u00e7as que j\u00e1 controlam a mic\u00e7\u00e3o.<\/p><p>A tira-teste urin\u00e1ria pode ser utilizada como rastreio inicial: a presen\u00e7a simult\u00e2nea de nitritos e leuc\u00f3citos tem um valor preditivo positivo elevado. Contudo, a urocultura continua a ser o exame de refer\u00eancia para confirma\u00e7\u00e3o diagn\u00f3stica.<\/p><h2><strong>Tratamento e Investiga\u00e7\u00e3o Posterior<\/strong><\/h2><p>O tratamento depende da gravidade. A cistite n\u00e3o complicada pode ser tratada com antibi\u00f3ticos orais durante 3 a 7 dias, enquanto a pielonefrite aguda pode requerer antibioterapia endovenosa inicial. Os antibi\u00f3ticos mais utilizados incluem a amoxicilina com \u00e1cido clavul\u00e2nico, a cefuroxima e o cotrimoxazol. A escolha deve ter em conta o padr\u00e3o de resist\u00eancias local.<\/p><p>Ap\u00f3s o primeiro epis\u00f3dio de <b>infe\u00e7\u00e3o urin\u00e1ria febril<\/b>, a SPP e a European Society for Paediatric Nephrology (ESPN) recomendam a realiza\u00e7\u00e3o de ecografia renal e vesical para excluir anomalias estruturais. A cistouretrografia miccional \u00e9 reservada para casos com ecografia alterada, infe\u00e7\u00f5es recorrentes ou suspeita de refluxo vesicoureteral.<\/p><h2><strong>Preven\u00e7\u00e3o e Cuidados no Dia a Dia<\/strong><\/h2><p>Para prevenir as <b>infe\u00e7\u00f5es urin\u00e1rias<\/b> nas crian\u00e7as, os pais devem garantir uma hidrata\u00e7\u00e3o adequada, incentivar a mic\u00e7\u00e3o regular (a cada 2 a 3 horas), tratar ativamente a obstipa\u00e7\u00e3o, ensinar a higiene perineal correta (limpar da frente para tr\u00e1s nas raparigas) e evitar banhos de espuma prolongados. O uso de roupa interior de algod\u00e3o e evitar roupa apertada s\u00e3o medidas simples e aconselh\u00e1veis.<\/p><p>A profilaxia antibi\u00f3tica cont\u00ednua \u00e9 reservada para casos selecionados com refluxo vesicoureteral significativo (graus IV-V) ou recorr\u00eancias frequentes, sempre sob orienta\u00e7\u00e3o do pediatra ou nefrologista pedi\u00e1trico. O seguimento regular \u00e9 fundamental para monitorizar o crescimento renal e a fun\u00e7\u00e3o renal.<\/p><p><em>Na <strong>M\u00e9dico na Net<\/strong>, a <strong>equipa cl\u00ednica<\/strong> oferece avalia\u00e7\u00e3o pedi\u00e1trica de sintomas urin\u00e1rios, requisi\u00e7\u00e3o de an\u00e1lises de urina e exames de imagem, orienta\u00e7\u00e3o sobre preven\u00e7\u00e3o e referencia\u00e7\u00e3o para nefrologia ou urologia pedi\u00e1trica quando necess\u00e1rio.<\/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-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-27.jpg\" title=\"Consulta M\u00e9dica Online Sem Sair de Casa\" alt=\"Mulher em casa a realizar consulta m\u00e9dica por v\u00eddeo no port\u00e1til para avalia\u00e7\u00e3o de infe\u00e7\u00e3o urin\u00e1ria com m\u00e9dico.\" 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\"> Como posso saber se o meu beb\u00e9 tem uma infe\u00e7\u00e3o urin\u00e1ria? <\/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>Nos beb\u00e9s, os sintomas s\u00e3o muitas vezes inespec\u00edficos: febre sem causa aparente, irritabilidade, recusa alimentar, v\u00f3mitos ou atraso no crescimento. Qualquer febre inexplicada num beb\u00e9 deve ser investigada com an\u00e1lise de urina.<\/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 voltar a ter infe\u00e7\u00f5es urin\u00e1rias? <\/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 recorr\u00eancia \u00e9 poss\u00edvel, especialmente se existirem fatores predisponentes como refluxo vesicoureteral, obstipa\u00e7\u00e3o ou disfun\u00e7\u00e3o vesical. O seguimento m\u00e9dico regular e a ado\u00e7\u00e3o de medidas preventivas podem reduzir significativamente o risco de<b> infe\u00e7\u00e3o urin\u00e1ria<\/b>.<\/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 obstipa\u00e7\u00e3o est\u00e1 relacionada com infe\u00e7\u00f5es urin\u00e1rias? <\/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>Sim, a obstipa\u00e7\u00e3o cr\u00f3nica \u00e9 um fator de risco importante e frequentemente subvalorizado. A reten\u00e7\u00e3o fecal comprime a bexiga, dificultando o esvaziamento completo e favorecendo a multiplica\u00e7\u00e3o bacteriana.<\/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\"> A colheita de urina por saco \u00e9 fi\u00e1vel? <\/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>A colheita por saco coletor tem uma elevada taxa de contamina\u00e7\u00e3o e pode originar resultados falsos positivos. Quando se suspeita fortemente de<b> infe\u00e7\u00e3o urin\u00e1ria<\/b>, a cateteriza\u00e7\u00e3o vesical \u00e9 mais fi\u00e1vel, especialmente em crian\u00e7as sem controlo de esf\u00edncteres.<\/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\"> \u00c9 necess\u00e1rio fazer ecografia ap\u00f3s a primeira infe\u00e7\u00e3o urin\u00e1ria? <\/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, a ecografia renal e vesical \u00e9 recomendada ap\u00f3s o primeiro epis\u00f3dio de <b>infe\u00e7\u00e3o urin\u00e1ria <\/b>febril em crian\u00e7as, para excluir anomalias estruturais que possam predispor a recorr\u00eancias.<\/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\":\"Como posso saber se o meu beb\\u00e9 tem uma infe\\u00e7\\u00e3o urin\\u00e1ria?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Nos beb\\u00e9s, os sintomas s\\u00e3o muitas vezes inespec\\u00edficos: febre sem causa aparente, irritabilidade, recusa alimentar, v\\u00f3mitos ou atraso no crescimento. Qualquer febre inexplicada num beb\\u00e9 deve ser investigada com an\\u00e1lise de urina.\"}},{\"@type\":\"Question\",\"name\":\"O meu filho pode voltar a ter infe\\u00e7\\u00f5es urin\\u00e1rias?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim, a recorr\\u00eancia \\u00e9 poss\\u00edvel, especialmente se existirem fatores predisponentes como refluxo vesicoureteral, obstipa\\u00e7\\u00e3o ou disfun\\u00e7\\u00e3o vesical. O seguimento m\\u00e9dico regular e a ado\\u00e7\\u00e3o de medidas preventivas podem reduzir significativamente o risco de infe\\u00e7\\u00e3o urin\\u00e1ria.\"}},{\"@type\":\"Question\",\"name\":\"A obstipa\\u00e7\\u00e3o est\\u00e1 relacionada com infe\\u00e7\\u00f5es urin\\u00e1rias?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim, a obstipa\\u00e7\\u00e3o cr\\u00f3nica \\u00e9 um fator de risco importante e frequentemente subvalorizado. A reten\\u00e7\\u00e3o fecal comprime a bexiga, dificultando o esvaziamento completo e favorecendo a multiplica\\u00e7\\u00e3o bacteriana.\"}},{\"@type\":\"Question\",\"name\":\"A colheita de urina por saco \\u00e9 fi\\u00e1vel?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A colheita por saco coletor tem uma elevada taxa de contamina\\u00e7\\u00e3o e pode originar resultados falsos positivos. Quando se suspeita fortemente de infe\\u00e7\\u00e3o urin\\u00e1ria, a cateteriza\\u00e7\\u00e3o vesical \\u00e9 mais fi\\u00e1vel, especialmente em crian\\u00e7as sem controlo de esf\\u00edncteres.\"}},{\"@type\":\"Question\",\"name\":\"\\u00c9 necess\\u00e1rio fazer ecografia ap\\u00f3s a primeira infe\\u00e7\\u00e3o urin\\u00e1ria?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim, a ecografia renal e vesical \\u00e9 recomendada ap\\u00f3s o primeiro epis\\u00f3dio de infe\\u00e7\\u00e3o urin\\u00e1ria febril em crian\\u00e7as, para excluir anomalias estruturais que possam predispor a recorr\\u00eancias.\"}}]}<\/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\u00a0<a href=\"https:\/\/staging.mediconanet.pt\/produto\/tricomoniase-tratamento\/\" target=\"_blank\" rel=\"noopener\">infe\u00e7\u00e3o urin\u00e1ria<\/a>\u00a0em crian\u00e7as \u00e9 uma patologia comum que exige aten\u00e7\u00e3o ao diagn\u00f3stico correto, tratamento adequado e investiga\u00e7\u00e3o de fatores predisponentes. Com uma abordagem preventiva \u2014 hidrata\u00e7\u00e3o, tratamento da obstipa\u00e7\u00e3o e higiene adequada \u2014 \u00e9 poss\u00edvel reduzir significativamente as recorr\u00eancias e proteger a sa\u00fade renal a longo prazo.<\/p><h2><strong>Refer\u00eancias<\/strong><\/h2><p><a href=\"https:\/\/www.spp.pt\/\" target=\"_blank\" rel=\"dofollow noopener\">Sociedade Portuguesa de Pediatria (SPP). Protocolo de Diagn\u00f3stico e Tratamento de ITU na Crian\u00e7a<\/a><\/p><p><a href=\"https:\/\/publications.aap.org\/pediatrics\/article\/128\/3\/595\/30836\/Urinary-Tract-Infection-Clinical-Practice\" target=\"_blank\" rel=\"dofollow noopener\">American Academy of Pediatrics (AAP). Urinary Tract Infection: Clinical Practice Guideline<\/a><\/p><p><a href=\"https:\/\/www.nice.org.uk\/guidance\/cg54\" target=\"_blank\" rel=\"dofollow noopener\">National Institute for Health and Care Excellence (NICE). Urinary tract infection in under 16s<\/a><\/p><p><a href=\"https:\/\/www.espn-online.org\/\" target=\"_blank\" rel=\"dofollow noopener\">European Society for Paediatric Nephrology (ESPN). Recommendations on UTI management in children<\/a><\/p><p><a href=\"https:\/\/www.spnp.pt\/\" target=\"_blank\" rel=\"dofollow noopener\">Sociedade Portuguesa de Nefrologia Pedi\u00e1trica. Refluxo vesicoureteral e ITU recorrente<\/a><\/p><p><a href=\"https:\/\/www.nejm.org\/doi\/full\/10.1056\/NEJMra1007755\" target=\"_blank\" rel=\"dofollow noopener\">Montini G et al. Febrile urinary tract infections in children<\/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 infe\u00e7\u00e3o urin\u00e1ria \u00e9 uma das infe\u00e7\u00f5es bacterianas mais frequentes na idade pedi\u00e1trica, afetando cerca de 8% das raparigas e 2% dos rapazes antes dos 7 anos de idade, segundo a Sociedade Portuguesa de Pediatria (SPP). O diagn\u00f3stico pode ser particularmente desafiante nos beb\u00e9s e crian\u00e7as pequenas, cujos sintomas s\u00e3o muitas vezes inespec\u00edficos, como [&hellip;]<\/p>\n","protected":false},"author":13102,"featured_media":59805,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[257],"tags":[],"class_list":["post-59686","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pediatria"],"jetpack_featured_media_url":"https:\/\/staging.mediconanet.pt\/wp-content\/uploads\/2026\/03\/Imagem-para-Redes-Sociais-a-Rosa-sobre-Descontos-de-Primavera-34.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/59686","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=59686"}],"version-history":[{"count":10,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/59686\/revisions"}],"predecessor-version":[{"id":60032,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/59686\/revisions\/60032"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/media\/59805"}],"wp:attachment":[{"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/media?parent=59686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/categories?post=59686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/staging.mediconanet.pt\/en\/wp-json\/wp\/v2\/tags?post=59686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}