Forstoppelse, oversikt: Årsak
Hos mange personer kan man ikke peke på klare årsaker til forstoppelse. De hyppigste forklaringene til forstoppelse er uregelmessige avføringsvaner, fiberfattig kosthold, lite fysisk aktivitet, høyt medisinbruk, misbruk av avføringsmiddel og tilstanden irritabel tarm. Høy alder er i seg selv ingen risikofaktor for forstoppelse, men eldre mennesker har mange av de disponerende tilstandene eller faktorene som fører til forstoppelse.
Ved nyoppstått forstoppelse er det viktig å utelukke sykdommer som lavt stoffskifte, smertefulle lidelser i endetarmsområdet, kreft i tykk- eller endetarmen, depresjon og bivirkninger av legemidler. De vanligste legemidlene som kan forårsake forstoppelse, er sterke smertestillende, hostemedisiner, kalsiumblokkere (hjerte-/blodtrykksmedisin), antiarytmika (hjertemedisin), vanndrivende, antikolinergika, epilepsimedisiner, jerntabletter, angstdempende og antirevmatika.
Dette dokumentet er basert på det profesjonelle dokumentet Forstoppelse hos voksne . Referanselisten for dette dokumentet vises nedenfor
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