{"id":20546,"date":"2023-07-12T20:55:45","date_gmt":"2023-07-12T18:55:45","guid":{"rendered":"https:\/\/velbehagklinikk.no\/?p=20546"},"modified":"2026-05-19T14:42:16","modified_gmt":"2026-05-19T12:42:16","slug":"hvor-lenge-er-man-smittsom","status":"publish","type":"post","link":"https:\/\/velbehagklinikk.no\/blogg\/hvor-lenge-er-man-smittsom\/","title":{"rendered":"Hvor lenge er man smittsomme etter en virusinfeksjon?"},"content":{"rendered":"<p>Hvor lenge du er smittsom etter \u00e5 ha hatt en virusinfeksjon, avhenger av typen virus som er involvert.<\/p>\n<p>Du kan ofte spre infeksjonen til andre f\u00f8r du begynner \u00e5 f\u00f8le deg uvel eller merker <a href=\"https:\/\/velbehagklinikk.no\/blogg\/blogg\/22-typer-utslett\/\">utslett<\/a>.<\/p>\n<h2 class=\"wp-block-heading\">Bronkitt<\/h2>\n<p>Hvor lenge du kan spre <a href=\"https:\/\/velbehagklinikk.no\/blogg\/blogg\/bronkitt\/\">bronkitt<\/a> varierer, avhengig av \u00e5rsaken.<\/p>\n<p>I de fleste tilfeller er bronkitt for\u00e5rsaket av de samme virusene som for\u00e5rsaker forkj\u00f8lelse eller influensa, og du vil sannsynligvis spre infeksjonen s\u00e5 lenge du har forkj\u00f8lelses- eller influensasymptomer.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/middle-aged-woman-makes-inhalation-at-home-cold-respiratory-diseases-influenza-and-viral-infection-1024x682.jpg\" alt=\"middle-aged woman makes inhalation at home. Cold respiratory diseases. Influenza and viral infection\" class=\"wp-image-20548\" srcset=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/middle-aged-woman-makes-inhalation-at-home-cold-respiratory-diseases-influenza-and-viral-infection-1024x682.jpg 1024w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/middle-aged-woman-makes-inhalation-at-home-cold-respiratory-diseases-influenza-and-viral-infection-300x200.jpg 300w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/middle-aged-woman-makes-inhalation-at-home-cold-respiratory-diseases-influenza-and-viral-infection-768x512.jpg 768w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/middle-aged-woman-makes-inhalation-at-home-cold-respiratory-diseases-influenza-and-viral-infection-1536x1024.jpg 1536w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/middle-aged-woman-makes-inhalation-at-home-cold-respiratory-diseases-influenza-and-viral-infection-600x400.jpg 600w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/middle-aged-woman-makes-inhalation-at-home-cold-respiratory-diseases-influenza-and-viral-infection.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Bronkitt<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">Vannkopper<\/h2>\n<p>Du kan spre vannkopper fra 2 dager f\u00f8r flekkene vises til de har f\u00e5tt skorpe, vanligvis 5 dager etter at de f\u00f8rst dukket opp.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"650\" src=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/little-girl-with-chickenpox-sitting-in-wooden-chair-1024x650.jpg\" alt=\"Little girl with chickenpox, sitting in wooden chair\" class=\"wp-image-20549\" srcset=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/little-girl-with-chickenpox-sitting-in-wooden-chair-1024x650.jpg 1024w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/little-girl-with-chickenpox-sitting-in-wooden-chair-300x190.jpg 300w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/little-girl-with-chickenpox-sitting-in-wooden-chair-768x487.jpg 768w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/little-girl-with-chickenpox-sitting-in-wooden-chair-1536x975.jpg 1536w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/little-girl-with-chickenpox-sitting-in-wooden-chair-600x381.jpg 600w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/little-girl-with-chickenpox-sitting-in-wooden-chair.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Vannkopper<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">Forkj\u00f8lelse<\/h2>\n<p>Du kan spre forkj\u00f8lelse fra noen dager f\u00f8r symptomene dukker opp til alle symptomene er borte. De fleste vil v\u00e6re smittsomme i opptil 2 uker.<\/p>\n<p>Symptomene er vanligvis verre i l\u00f8pet av de f\u00f8rste 2 til 3 dagene, og dette er n\u00e5r det er mest sannsynlig at du sprer viruset.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/cold-1024x682.jpg\" alt=\"Du kan spre forkj\u00f8lelse fra noen dager f\u00f8r symptomene dukker opp til alle symptomene er borte. De fleste vil v\u00e6re smittsomme i opptil 2 uker.\" class=\"wp-image-20550\" srcset=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/cold-1024x682.jpg 1024w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/cold-300x200.jpg 300w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/cold-768x512.jpg 768w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/cold-1536x1024.jpg 1536w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/cold-600x400.jpg 600w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/cold.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Forkj\u00f8lelse<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">Koronavirus (covid-19)<\/h2>\n<p>Hvis du har koronavirus <a href=\"https:\/\/www.helsenorge.no\/koronavirus\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/www.helsenorge.no\/koronavirus\" rel=\"noreferrer noopener\">(COVID-19)<\/a>, kan du spre viruset til andre mennesker i opptil 10 dager fra infeksjonen starter.<\/p>\n<p>Men mange vil ikke lenger smitte andre etter 5 dager.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"670\" src=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2023\/07\/business-woman-covid-19-1024x670.jpg\" alt=\"BUSINESS WOMAN COVID-19\" class=\"wp-image-20551\" srcset=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2023\/07\/business-woman-covid-19-1024x670.jpg 1024w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2023\/07\/business-woman-covid-19-300x196.jpg 300w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2023\/07\/business-woman-covid-19-768x502.jpg 768w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2023\/07\/business-woman-covid-19-1536x1005.jpg 1536w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2023\/07\/business-woman-covid-19-600x392.jpg 600w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2023\/07\/business-woman-covid-19.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Koronavirus (covid-19)<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">Influensa<\/h2>\n<p>Du kan spre influensa fra 1 dag f\u00f8r symptomene starter til rundt 5 til 7 dager etter at symptomene starter.<\/p>\n<p>Barn og personer med nedsatt immunforsvar kan v\u00e6re smittsom i noen dager lenger.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/businesswoman-having-a-flue-and-blowing-nose-in-a-tissue-at-home--1024x682.jpg\" alt=\"Businesswoman having a flue and blowing nose in a tissue at home.\" class=\"wp-image-20552\" srcset=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/businesswoman-having-a-flue-and-blowing-nose-in-a-tissue-at-home--1024x682.jpg 1024w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/businesswoman-having-a-flue-and-blowing-nose-in-a-tissue-at-home--300x200.jpg 300w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/businesswoman-having-a-flue-and-blowing-nose-in-a-tissue-at-home--768x512.jpg 768w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/businesswoman-having-a-flue-and-blowing-nose-in-a-tissue-at-home--1536x1024.jpg 1536w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/businesswoman-having-a-flue-and-blowing-nose-in-a-tissue-at-home--600x400.jpg 600w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/businesswoman-having-a-flue-and-blowing-nose-in-a-tissue-at-home-.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Influensa<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">Kyssesyken<\/h2>\n<p>Kyssesyken spres vanligvis gjennom direkte kontakt med spytt, og det er derfor det noen ganger kalles nettopp kyssesyken. Det egentlige navnet p\u00e5 sykdommen er mononukleose.&nbsp;<\/p>\n<p>Du kan spre infeksjonen fra opptil 7 uker f\u00f8r du f\u00e5r symptomer til symptomene er borte.<\/p>\n<p>Det er ingen grunn til \u00e5 ikke fortsette \u00e5 g\u00e5 p\u00e5 skole eller jobb hvis du f\u00f8ler deg bra nok.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/happy-couple-takes-off-protective-medical-mask--1024x683.jpg\" alt=\"Happy couple takes off protective medical mask.\" class=\"wp-image-20553\" srcset=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/happy-couple-takes-off-protective-medical-mask--1024x683.jpg 1024w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/happy-couple-takes-off-protective-medical-mask--300x200.jpg 300w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/happy-couple-takes-off-protective-medical-mask--768x512.jpg 768w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/happy-couple-takes-off-protective-medical-mask--1536x1025.jpg 1536w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/happy-couple-takes-off-protective-medical-mask--600x400.jpg 600w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/happy-couple-takes-off-protective-medical-mask-.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<h2 class=\"wp-block-heading\">Meslinger<\/h2>\n<p>Symptomer p\u00e5 meslinger vises rundt 10 dager etter at du ble smittet.<\/p>\n<p>Det er mest sannsynlig at du sprer meslinger fra de f\u00f8rste symptomene dukker opp til 4 dager etter at utslettet utvikler seg.<\/p>\n<p>De f\u00f8rste symptomene p\u00e5 meslinger inkluderer:<\/p>\n<ul class=\"wp-block-list\">\n<li>en h\u00f8y temperatur<\/li>\n<li>r\u00f8de \u00f8yne<\/li>\n<li>forkj\u00f8lelseslignende symptomer \u2013 som rennende nese, rennende \u00f8yne og nysing<\/li>\n<\/ul>\n<p>Rundt 2 til 4 dager senere utvikler det seg et flekkete utslett som normalt forsvinner etter omtrent en uke.<\/p>\n<h2 class=\"wp-block-heading\">Kusma<\/h2>\n<p>Kusma f\u00e5r spyttkjertlene til \u00e5 hovne opp. Disse kjertlene er rett under og foran \u00f8rene dine.<\/p>\n<p>Det er mest sannsynlig at du sprer kusma fra omtrent 1 til 2 dager f\u00f8r kjertlene dine hovner opp til omtrent 9 dager etterp\u00e5.<\/p>\n<h2 class=\"wp-block-heading\">R\u00f8de hunder<\/h2>\n<p>Personer med r\u00f8de hunder b\u00f8r holde seg unna skole eller jobb, og unng\u00e5 kontakt med gravide kvinner der det er mulig, i minst 5 dager etter at utslettet f\u00f8rst har utviklet seg.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/enterovirus-leg-arm-mouth-rash-on-the-body-of-a-child-cocksackie-virus-1024x682.jpg\" alt=\"Enterovirus Leg arm mouth Rash on the body of a child Cocksackie virus\" class=\"wp-image-20554\" srcset=\"https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/enterovirus-leg-arm-mouth-rash-on-the-body-of-a-child-cocksackie-virus-1024x682.jpg 1024w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/enterovirus-leg-arm-mouth-rash-on-the-body-of-a-child-cocksackie-virus-300x200.jpg 300w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/enterovirus-leg-arm-mouth-rash-on-the-body-of-a-child-cocksackie-virus-768x512.jpg 768w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/enterovirus-leg-arm-mouth-rash-on-the-body-of-a-child-cocksackie-virus-1536x1024.jpg 1536w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/enterovirus-leg-arm-mouth-rash-on-the-body-of-a-child-cocksackie-virus-600x400.jpg 600w, https:\/\/velbehagklinikk.no\/blogg\/wp-content\/uploads\/2026\/05\/enterovirus-leg-arm-mouth-rash-on-the-body-of-a-child-cocksackie-virus.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">R\u00f8de hunder<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">Helvetesild<\/h2>\n<p>Du kan ikke spre <a href=\"https:\/\/velbehagklinikk.no\/blogg\/blogg\/helvetesild\/\" data-type=\"post\" data-id=\"18909\">helvetesild <\/a>til andre. Men folk som ikke har hatt vannkopper f\u00f8r kan f\u00e5 vannkopper fra deg om du har <a href=\"https:\/\/velbehagklinikk.no\/blogg\/blogg\/helvetesild\/\">helvetesild<\/a>.\u00a0<\/p>\n<p>Du kan spre infeksjonen mens utslettet skiller ut v\u00e6ske.<\/p>\n<h2 class=\"wp-block-heading\">Tonsillitt<\/h2>\n<p><a href=\"https:\/\/velbehagklinikk.no\/blogg\/blogg\/hovne-mandler-symptomer-og-behandlinger\/\">Tonsillitt<\/a> i seg selv er ikke smittsom, men virusene som for\u00e5rsaker det er det. Hvor lang tid du kan spre det vil avhenge av viruset.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hvor lenge du er smittsom etter \u00e5 ha hatt en virusinfeksjon, avhenger av typen virus som er involvert. Du kan ofte spre infeksjonen til andre f\u00f8r du begynner \u00e5 f\u00f8le deg uvel eller merker utslett. Bronkitt Hvor lenge du kan spre bronkitt varierer, avhengig av \u00e5rsaken. I de fleste tilfeller er bronkitt for\u00e5rsaket av de [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":20547,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[58],"tags":[],"class_list":["post-20546","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-helse"],"acf":[],"_links":{"self":[{"href":"https:\/\/velbehagklinikk.no\/blogg\/wp-json\/wp\/v2\/posts\/20546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/velbehagklinikk.no\/blogg\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/velbehagklinikk.no\/blogg\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/velbehagklinikk.no\/blogg\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/velbehagklinikk.no\/blogg\/wp-json\/wp\/v2\/comments?post=20546"}],"version-history":[{"count":1,"href":"https:\/\/velbehagklinikk.no\/blogg\/wp-json\/wp\/v2\/posts\/20546\/revisions"}],"predecessor-version":[{"id":30940,"href":"https:\/\/velbehagklinikk.no\/blogg\/wp-json\/wp\/v2\/posts\/20546\/revisions\/30940"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/velbehagklinikk.no\/blogg\/wp-json\/wp\/v2\/media\/20547"}],"wp:attachment":[{"href":"https:\/\/velbehagklinikk.no\/blogg\/wp-json\/wp\/v2\/media?parent=20546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/velbehagklinikk.no\/blogg\/wp-json\/wp\/v2\/categories?post=20546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/velbehagklinikk.no\/blogg\/wp-json\/wp\/v2\/tags?post=20546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}