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Streptokokkhalsinfeksjon: Årsaker

Innhold i artikkelen

Halsbetennelse starter ofte med en forkjølelse, det vil si en virusinfeksjon. En slik virusinfeksjon kan svekke immunforsvaret noe og derved bidra til at streptokokkbakterier - gruppe A betahemolytiske streptokokker (GAS), som normalt kan finnes i halsen, trenger inn i slimhinnene og medfører en kraftigere betennelse. I en frisk befolkning kan denne bakterien påvises hos 1-20 prosent av de undersøkte. Under streptokokk-epidemier kan en finne GAS hos 30-40 prosent av pasientene med halssmerter.

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Ulike former for fysisk og psykisk stress kan også medføre at immunforsvaret svekkes og gjøre deg mer sårbar for å utvikle halsbetennelse.

Under epidemier kan streptokokker spre seg fra person til person ved dråpesmitte. Dette medfører risiko for smitte dersom personer i nærmiljøet ditt er syke. Likevel er denne infeksjonen langt mindre smittsom enn de vanligste virusinfeksjonene, som influensa, forkjølelse og covid-19. 

Vil du vite mer

Dette dokumentet er basert på det profesjonelle dokumentet Streptokokkhalsinfeksjon . Referanselisten for dette dokumentet vises nedenfor

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