{"id":460658,"date":"2026-05-12T14:14:00","date_gmt":"2026-05-12T17:14:00","guid":{"rendered":"https:\/\/staging.portaltela.com\/noticias\/2026\/05\/12\/clima-instavel-reduz-defesas-e-pode-piorar-crises-respiratorias\/"},"modified":"2026-05-12T14:14:00","modified_gmt":"2026-05-12T17:14:00","slug":"clima-instavel-reduz-defesas-e-pode-piorar-crises-respiratorias","status":"publish","type":"post","link":"http:\/\/3.81.61.233\/cotidiano\/saude-cotidiano\/2026\/05\/12\/clima-instavel-reduz-defesas-e-pode-piorar-crises-respiratorias\/","title":{"rendered":"Clima inst\u00e1vel reduz defesas e pode piorar crises respirat\u00f3rias"},"content":{"rendered":"<p>O clima inst\u00e1vel e as temperaturas em queda podem reduzir defesas do organismo e aumentar o risco de crises respirat\u00f3rias. Pesquisadores destacam que mudan\u00e7as de temperatura favorecem inflama\u00e7\u00f5es nas vias a\u00e9reas, facilitando infec\u00e7\u00f5es virais, segundo a Ag\u00eancia Brasil com voz do otorrinolaringologista Luciano Greg\u00f3rio.<\/p>\n<p>N\u00e3o apenas a imunidade passa por altera\u00e7\u00e3o. Varia\u00e7\u00f5es de temperatura podem afetar impulsos nervosos e provocar obstru\u00e7\u00e3o nasal em alguns pacientes. Em ambientes fechados, o ar frio e seco aumenta rinite e sinusite, piorando sintomas.<\/p>\n<p>Mudan\u00e7as no ambiente e h\u00e1bitos ajudam a reduzir impactos. Beber \u00e1gua mantinha a hidrata\u00e7\u00e3o, segundo o m\u00e9dico, \u00e9 crucial para a sa\u00fade nasal. Umidificar o ambiente tamb\u00e9m ajuda, mas sem exageros que favore\u00e7am mofo e \u00e1caros.<\/p>\n<h3>Medidas para a sa\u00fade nasal<\/h3>\n<p>Diversos dispositivos de lavagem nasal com soro fisiol\u00f3gico podem ser usados at\u00e9 quatro vezes ao dia. A solu\u00e7\u00e3o isot\u00f4nica ajuda a remover al\u00e9rgenos e fluidificar a secre\u00e7\u00e3o, reduzindo mediadores inflamat\u00f3rios.<\/p>\n<p>G\u00e9is de hidrata\u00e7\u00e3o nasal tamb\u00e9m existem, principalmente para enfrentar o ar seco. A lavagem com soro nasal limpa a cavidade e facilita a respira\u00e7\u00e3o, enquanto o gel hidrata a \u00e1rea interna.<\/p>\n<p>Pesquisas indicam que o uso de soro fisiol\u00f3gico n\u00e3o substitui a necessidade de manter o ambiente \u00famido, apenas complementa a higiene nasal. T\u00e9cnicas de higiene ajudam a reduzir congest\u00e3o e irrita\u00e7\u00e3o nasal.<\/p>\n<h3>Cuidados adicionais e vulner\u00e1veis<\/h3>\n<p>Especialistas ressaltam que quedas de temperatura dificultam o aquecimento e a umidifica\u00e7\u00e3o do ar inspirado, abrindo espa\u00e7o para infec\u00e7\u00f5es. Doen\u00e7as comuns incluem gripe, resfriado, sinusite, rinite e laringite.<\/p>\n<p>Cuidados adicionais incluem evitar ambientes lotados, dormir bem e manter alimenta\u00e7\u00e3o equilibrada. Crian\u00e7as, idosos e pessoas com rinite, asma ou DPOC requerem aten\u00e7\u00e3o redobrada.<\/p>\n<p>Em caso de sinais de piora \u2014 tosse persistente, chiado ou febre \u2014 \u00e9 essencial buscar avalia\u00e7\u00e3o m\u00e9dica. N\u00e3o h\u00e1 recomenda\u00e7\u00f5es de automedica\u00e7\u00e3o e as orienta\u00e7\u00f5es s\u00e3o voltadas \u00e0 sa\u00fade respirat\u00f3ria em dias frios.<\/p>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li>Instabilidades de temperatura reduzem defesas nasais e podem aumentar crises de infec\u00e7\u00f5es respirat\u00f3rias, especialmente em quem tem rinite n\u00e3o al\u00e9rgica.<\/li>\n<li>A varia\u00e7\u00e3o t\u00e9rmica e o ar frio ou seco podem entupir o nariz e piorar rinite e sinusite, prejudicando a defesa do organismo.<\/li>\n<li>Recomenda-se manter hidrata\u00e7\u00e3o, usar soro fisiol\u00f3gico para lavagens nasais e manter o ambiente \u00famido, sem excessos para evitar mofo e \u00e1caros.<\/li>\n<li>Dispositivos de lavagem nasal ajudam a remover al\u00e9rgenos e fluidificar secre\u00e7\u00f5es; h\u00e1 ainda g\u00e9is de hidrata\u00e7\u00e3o nasal para uso em ambiente seco.<\/li>\n<li>Crian\u00e7as, idosos e pessoas com rinite, asma ou DPOC requerem aten\u00e7\u00e3o especial; em sinais de piora, como tosse persistente ou febre, \u00e9 essencial buscar orienta\u00e7\u00e3o m\u00e9dica.<\/li>\n<\/ul>\n","protected":false},"author":15,"featured_media":460671,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"summary":"Clima inst\u00e1vel reduz defesas nasais e pode agravar crises respirat\u00f3rias; hidrata\u00e7\u00e3o e lavagem nasal com soro aliviam sintomas","footnotes":""},"categories":[4670,28],"tags":[159,2780,2160,89,29,3796],"class_list":["post-460658","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-medicina","category-saude-cotidiano","tag-doencas","tag-imunidade","tag-inflamacao","tag-meio-ambiente","tag-saude","tag-saude-publica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Clima inst\u00e1vel reduz defesas e pode piorar crises respirat\u00f3rias - Portal Tela (STAGING)<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Clima inst\u00e1vel reduz defesas e pode piorar crises respirat\u00f3rias\" \/>\n<meta property=\"og:description\" content=\"Instabilidades de temperatura reduzem defesas nasais e podem aumentar crises de infec\u00e7\u00f5es respirat\u00f3rias, especialmente em quem tem rinite n\u00e3o al\u00e9rgica. A varia\u00e7\u00e3o t\u00e9rmica e o ar frio ou seco podem entupir o nariz e piorar rinite e sinusite, prejudicando a defesa do organismo. Recomenda-se manter hidrata\u00e7\u00e3o, usar soro fisiol\u00f3gico para lavagens nasais e manter o ambiente \u00famido, sem excessos para evitar mofo e \u00e1caros. Dispositivos de lavagem nasal ajudam a remover al\u00e9rgenos e fluidificar secre\u00e7\u00f5es; h\u00e1 ainda g\u00e9is de hidrata\u00e7\u00e3o nasal para uso em ambiente seco. 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