{"id":40898,"date":"2026-11-12T18:00:00","date_gmt":"2026-11-12T17:00:00","guid":{"rendered":"https:\/\/www.mgc.es\/?p=40898"},"modified":"2026-11-10T12:19:04","modified_gmt":"2026-11-10T11:19:04","slug":"quines-malalties-provoquen-mala-olor-corporal","status":"publish","type":"post","link":"https:\/\/www.mgc.es\/ca\/blog\/quines-malalties-provoquen-mala-olor-corporal\/","title":{"rendered":"Quines malalties provoquen mala olor corporal?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndex de continguts<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.mgc.es\/ca\/blog\/quines-malalties-provoquen-mala-olor-corporal\/#Lessencial\" >L&#8217;essencial<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.mgc.es\/ca\/blog\/quines-malalties-provoquen-mala-olor-corporal\/#Per_que_es_produeix_la_mala_olor_corporal\" >Per qu\u00e8 es produeix la mala olor corporal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.mgc.es\/ca\/blog\/quines-malalties-provoquen-mala-olor-corporal\/#Trimetilaminuria\" >Trimetilamin\u00faria<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.mgc.es\/ca\/blog\/quines-malalties-provoquen-mala-olor-corporal\/#Diabetis_descontrolada\" >Diabetis descontrolada<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.mgc.es\/ca\/blog\/quines-malalties-provoquen-mala-olor-corporal\/#Fallada_en_la_depuracio_de_toxines\" >Fallada en la depuraci\u00f3 de toxines<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.mgc.es\/ca\/blog\/quines-malalties-provoquen-mala-olor-corporal\/#Hipertiroidisme\" >Hipertiro\u00efdisme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.mgc.es\/ca\/blog\/quines-malalties-provoquen-mala-olor-corporal\/#Dermatitis_seborreica\" >Dermatitis seborreica<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.mgc.es\/ca\/blog\/quines-malalties-provoquen-mala-olor-corporal\/#Quan_cal_consultar_el_metge_per_la_mala_olor_corporal\" >Quan cal consultar el metge per la mala olor corporal?<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">L&#8217;olor corporal pot variar per molts motius quotidians, com la calor, l&#8217;exercici o la higiene. En aquest article no ens referirem a aquella mala olor ocasional que apareix perqu\u00e8 hem oblidat posar-nos desodorant o perqu\u00e8, simplement, ens ha abandonat, com deia l&#8217;anunci, sin\u00f3 a la que pot ser senyal d&#8217;una malaltia.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"880\" height=\"587\" src=\"https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/10\/olor-corpral-880x587.jpg\" alt=\"Malalties que provoquen mala olor corporal\" class=\"wp-image-40895\" srcset=\"https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/10\/olor-corpral-880x587.jpg 880w, https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/10\/olor-corpral-440x293.jpg 440w, https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/10\/olor-corpral-768x512.jpg 768w, https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/10\/olor-corpral-1536x1024.jpg 1536w, https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/10\/olor-corpral-2048x1365.jpg 2048w, https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/10\/olor-corpral-scaled.jpg 1024w\" sizes=\"auto, (max-width: 880px) 100vw, 880px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lessencial\"><\/span>L&#8217;essencial<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Una olor corporal persistent o inusual pot ser s\u00edmptoma d&#8217;una malaltia.<\/li>\n\n\n\n<li>Les principals s\u00f3n la trimetilamin\u00faria (olor de peix), la diabetis descontrolada (olor dol\u00e7ana o afruitada), la insufici\u00e8ncia renal o hep\u00e0tica, l&#8217;hipertiro\u00efdisme i la dermatitis seborreica.<\/li>\n\n\n\n<li>Cal consultar el metge si l&#8217;olor no millora amb la higiene o va acompanyada d&#8217;altres s\u00edmptomes.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Per_que_es_produeix_la_mala_olor_corporal\"><\/span>Per qu\u00e8 es produeix la mala olor corporal<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La suor, per si sola, gaireb\u00e9 no fa olor. Les gl\u00e0ndules sudor\u00edpares la segreguen i, en entrar en contacte amb els bacteris que poblen la nostra pell, aquests la descomponen. S\u00f3n les subst\u00e0ncies resultants d&#8217;aquest proc\u00e9s les que fan mala olor. Quan aquesta olor \u00e9s intensa o persistent parlem de bromhidrosi, que s&#8217;accentua a les zones menys ventilades del cos, com les aixelles i els peus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tanmateix, algunes malalties alteren el metabolisme o la composici\u00f3 de la suor, l&#8217;al\u00e8 o l&#8217;orina, i provoquen una olor corporal caracter\u00edstica. Les principals s\u00f3n la trimetilamin\u00faria, la diabetis descontrolada, la insufici\u00e8ncia renal o hep\u00e0tica, l&#8217;hipertiro\u00efdisme i la dermatitis seborreica. Vegem-les una per una.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Trimetilaminuria\"><\/span>Trimetilamin\u00faria<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tamb\u00e9 coneguda com a \u00abs\u00edndrome de l&#8217;olor de peix\u00bb, \u00e9s un trastorn metab\u00f2lic poc freq\u00fcent. Les persones que la pateixen no poden processar correctament la <a href=\"https:\/\/culturacientifica.com\/2024\/02\/26\/aqui-huele-a-pescado-podrido-la-trimetilamina\/\">trimetilamina<\/a> (TMA), un compost org\u00e0nic que en concentracions baixes despr\u00e8n una forta olor de peix en mal estat i, en concentracions altes, d&#8217;amon\u00edac.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aquest compost el produeixen els bacteris intestinals durant la digesti\u00f3 de determinats aliments, com els ous, el peix, el fetge o els llegums.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Per qu\u00e8 es produeix<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En condicions normals, l&#8217;enzim hep\u00e0tic <a href=\"https:\/\/www.ivami.com\/es\/pruebas-geneticas-mutaciones-de-genes-humanos-enfermedades-neoplasias-y-farmacogenetica\/1184-pruebas-geneticas-trimetilaminuria-trimethylaminuria-gen-i-fmo3\">FMO3<\/a> (flavina monooxigenasa 3) transforma la TMA en un compost sense olor. En les persones amb trimetilamin\u00faria, el proc\u00e9s \u00e9s el seg\u00fcent:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La TMA es genera a l&#8217;intest\u00ed a partir dels aliments.<\/li>\n\n\n\n<li>Si l&#8217;enzim FMO3 no funciona b\u00e9 (o l&#8217;organisme no el produeix), la TMA no s&#8217;oxida.<\/li>\n\n\n\n<li>La trimetilamina sobrant passa a la sang i s&#8217;elimina a trav\u00e9s de la suor, la saliva, l&#8217;al\u00e8 i l&#8217;orina, cosa que provoca mala olor corporal i tamb\u00e9 mal al\u00e8.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes principals<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La trimetilamin\u00faria pot ser prim\u00e0ria, deguda a una mutaci\u00f3 en el gen FMO3 heretada dels pares, o secund\u00e0ria, associada a altres trastorns m\u00e8dics, com problemes renals o hep\u00e0tics.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tamb\u00e9 pot apar\u00e8ixer per un consum excessiu de determinats suplements o medicaments, com ara:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Suplements de <a href=\"https:\/\/ods.od.nih.gov\/factsheets\/Carnitine-DatosEnEspanol\/\">carnitina<\/a> o levocarnitina (utilitzats per millorar el rendiment f\u00edsic o tractar alguns trastorns metab\u00f2lics)<\/li>\n\n\n\n<li><a href=\"https:\/\/medlineplus.gov\/spanish\/druginfo\/meds\/a608012-es.html\">Beta\u00efna<\/a>, que s&#8217;utilitza per tractar determinats trastorns metab\u00f2lics<\/li>\n\n\n\n<li><a href=\"https:\/\/ods.od.nih.gov\/factsheets\/Choline-DatosEnEspanol\/\">Suplements de colina<\/a>, presents en complexos vitam\u00ednics<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Diabetis_descontrolada\"><\/span>Diabetis descontrolada<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Parlem de <a href=\"https:\/\/www.mgc.es\/ca\/blog\/diabetis-tot-el-que-nhauries-de-saber\/\">diabetis<\/a> descontrolada quan el nivell de glucosa en sang (gluc\u00e8mia) es mant\u00e9 elevat de manera persistent. Si l&#8217;organisme no disposa de prou insulina per utilitzar la glucosa com a font d&#8217;energia, comen\u00e7a a descompondre el greix i genera cetones, uns compostos qu\u00edmics que s&#8217;eliminen, en part, a trav\u00e9s de l&#8217;al\u00e8, l&#8217;orina i la suor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les cetones tenen una olor dol\u00e7ana o afruitada, que es percep sobretot a l&#8217;al\u00e8. Si aquesta olor apareix juntament amb n\u00e0usees, v\u00f2mits, dolor abdominal o respiraci\u00f3 accelerada, pot tractar-se d&#8217;una cetoacidosi diab\u00e8tica, una complicaci\u00f3 greu que requereix atenci\u00f3 m\u00e8dica urgent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A m\u00e9s, la diabetis mal controlada pot ocasionar danys greus a llarg termini en l&#8217;organisme:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Danys renals: nefropatia diab\u00e8tica<\/li>\n\n\n\n<li>Danys al sistema nervi\u00f3s: <a href=\"https:\/\/www.mgc.es\/ca\/blog\/peu-diabetic\/\">neuropatia diab\u00e8tica<\/a><\/li>\n\n\n\n<li>Danys a la vista: <a href=\"https:\/\/www.mgc.es\/ca\/blog\/malalties-de-la-retina-la-deteccio-precoc-es-clau\/\">retinopatia diab\u00e8tica<\/a><\/li>\n\n\n\n<li>Malaltia card\u00edaca i infarts<\/li>\n\n\n\n<li>Mala circulaci\u00f3, que pot provocar \u00falceres i fins i tot amputacions<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">S\u00edmptomes de la diabetis descontrolada<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Els m\u00e9s habituals s\u00f3n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sequedat de boca i set constant<\/li>\n\n\n\n<li>Necessitat freq\u00fcent d&#8217;orinar<\/li>\n\n\n\n<li>P\u00e8rdua de pes<\/li>\n\n\n\n<li>Cansament extrem<\/li>\n\n\n\n<li>M\u00e9s propensi\u00f3 a les infeccions<\/li>\n\n\n\n<li>Visi\u00f3 borrosa<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fallada_en_la_depuracio_de_toxines\"><\/span>Fallada en la depuraci\u00f3 de toxines<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Es produeix quan falla algun dels dos \u00f2rgans encarregats de depurar l&#8217;organisme: els ronyons i el fetge.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Insufici\u00e8ncia renal<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Els ronyons filtren la sang per eliminar-ne els residus a trav\u00e9s de l&#8217;orina. Si deixen de funcionar correctament per qualsevol causa (com la diabetis, la hipertensi\u00f3 o la glomerulonefritis, una inflamaci\u00f3 dels filtres renals), s&#8217;acumulen a la sang subst\u00e0ncies com la urea i la creatinina, una situaci\u00f3 coneguda com a ur\u00e8mia. Aix\u00f2 pot provocar una olor corporal i un al\u00e8 caracter\u00edstics, que recorden l&#8217;amon\u00edac o l&#8217;orina.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Insufici\u00e8ncia hep\u00e0tica<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El fetge processa i transforma subst\u00e0ncies com els medicaments, l&#8217;alcohol i les toxines del mateix organisme. Quan no funciona correctament (per cirrosi, fetge gras o hepatitis, per exemple), aquestes subst\u00e0ncies s&#8217;acumulen i poden causar mala olor corporal i un al\u00e8 d&#8217;olor dol\u00e7ana i r\u00e0ncia, conegut com a fetor hep\u00e0tic.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hipertiroidisme\"><\/span>Hipertiro\u00efdisme<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Es produeix quan la gl\u00e0ndula tiroide segrega un exc\u00e9s d&#8217;hormona tiro\u00efdal. Aquest exc\u00e9s accelera el metabolisme, cosa que augmenta la <a href=\"https:\/\/www.mgc.es\/ca\/blog\/sudoracio-excessiva-o-hiperhidrosi\/\">sudoraci\u00f3<\/a> i, en conseq\u00fc\u00e8ncia, l&#8217;olor corporal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dermatitis_seborreica\"><\/span>Dermatitis seborreica<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9s una malaltia inflamat\u00f2ria cr\u00f2nica de la pell que provoca envermelliment i descamaci\u00f3 a les zones amb abundants gl\u00e0ndules seb\u00e0cies, com el cuir cabellut, la cara o el pit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Els seus s\u00edmptomes principals s\u00f3n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Caspa i escates al cuir cabellut<\/li>\n\n\n\n<li>Taques vermelles en zones com la cara, les celles o darrere de les orelles<\/li>\n\n\n\n<li><a href=\"https:\/\/www.mgc.es\/ca\/blog\/catorze-causes-de-tenir-picor-a-la-pell-i-possibles-tractaments\/\">Picor<\/a> i co\u00efssor a les zones afectades<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">La producci\u00f3 excessiva de s\u00e8u en aquestes zones afavoreix la proliferaci\u00f3 de microorganismes, que s\u00f3n els responsables de la mala olor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quan_cal_consultar_el_metge_per_la_mala_olor_corporal\"><\/span>Quan cal consultar el metge per la mala olor corporal?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Una mala olor corporal persistent, que no millora amb una higiene adequada o que apareix de manera sobtada, mereix una consulta m\u00e8dica, sobretot si va acompanyada d&#8217;altres s\u00edmptomes com set intensa, cansament, p\u00e8rdua de pes o canvis a la pell o a l&#8217;orina. Identificar-ne la causa \u00e9s el primer pas per tractar-la correctament i, en molts casos, permet detectar a temps una malaltia que requereix seguiment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les <a href=\"https:\/\/www.mgc.es\/ca\/assegurances-de-salut\/\">assegurances de salut d&#8217;MGC M\u00fatua<\/a> et donen acc\u00e9s a mes 25.000 especialistes i a programes de medicina preventiva enfocats a una cura integral de la salut. <strong><a href=\"https:\/\/www.mgc.es\/ca\/calcula-preu-asseguranca-medica\/\">Informa&#8217;t sense comprom\u00eds<\/a><\/strong>.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-cyan-bluish-gray-color has-alpha-channel-opacity has-cyan-bluish-gray-background-color has-background\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Bibliografia<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.msdmanuals.com\/es\/hogar\/trastornos-de-la-piel\/trastornos-de-la-sudoraci%C3%B3n\/olor-corporal\">MSD Manuals<\/a>: Olor corporal<br><a href=\"https:\/\/salud.nih.gov\/recursos-de-salud\/nih-noticias-de-salud\/enfermedad-que-huele\">NIH<\/a>: Malalties que fan olor<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;olor corporal pot variar per molts motius quotidians, com la calor, l&#8217;exercici o la higiene. En aquest article no ens referirem a aquella mala olor ocasional que apareix perqu\u00e8 hem oblidat posar-nos desodorant o perqu\u00e8, simplement, ens ha abandonat, com deia l&#8217;anunci, sin\u00f3 a la que pot ser senyal d&#8217;una malaltia. L&#8217;essencial Per qu\u00e8 es [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":40897,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[996],"tags":[],"class_list":["post-40898","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-malalties-i-salut-general"],"acf":[],"featured_image_src":"https:\/\/www.mgc.es\/wp-content\/uploads\/2026\/10\/olor-corpral-scaled.jpg","author_info":{"display_name":"Revista Inter\u00e8s Mutu","author_link":"https:\/\/www.mgc.es\/ca\/blog\/author\/interesmutu\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quines malalties provoquen mala olor corporal? - MGC M\u00fatua<\/title>\n<meta name=\"description\" content=\"Trimetilamin\u00faria, diabetis, problemes renals o hep\u00e0tics\u2026 Descobreix quines malalties provoquen mala olor corporal i quan cal consultar el metge.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mgc.es\/?p=40893\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quines malalties provoquen mala olor corporal? 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