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Vitamin D-mangel

Sist oppdatert: Sist revidert:
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Definisjon:
25-hydroksyvitamin D lavere enn 50 nmol/L og skyldes for lite inntak i kosten, for lite soleksponering eller malabsorpsjon
Forekomst:
Hyppig blant allmennbefolkningen i Norden i vinterhalvåret. Er høyest hos innvandrere med mørk hud
Symptomer:
Få symptomer ved lett-moderat mangel. Langvarig D-vitamin mangel kan vise seg ved tretthet og svekket kraft, beinsmerter, osteomalasi hos voksne eller rakitt hos barn
Funn:
Kan være svekket muskelkraft, særlig i underekstremitetene
Diagnostikk:
Plasma 25-OH-D-vitamin lavere enn 50 nmol/L defineres som mangel
Behandling:
Forebyggende er noe eksponering for sollys om sommeren, D-vitamin-tilskudd i vinterhalvåret mens opphold i Norden, kost rik på D-vitamin. Ved vitamin D-mangel peroral behandling med D-vitamin, ved alvorlig malapsorpsjon noen ggr. behov for behandling med intramuskulære injeksjoner 
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  • Peter D. Jost, spesialist i allmennmedisin, redaktør NEL

Tidligere fagmedarbeidere

  • Kurt Østhuus Krogh, spesialist i barnesykdommer, Norsk Helseinformatikk/ Barne-og ungdomsklinikken, St. Olavs Hospital