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Cefalosporin

Grundstrukturen i cefalosporiner. Erstattes R1 og R2 med forskellige substituenter fås de enkelte stoffer i gruppen.
Den kemiske formel for nogle substituenter

Cefalosporiner er en gruppe β-lactamantibiotika oprindeligt udvundet af svampen Acremonium. De anvendes til behandling af infektioner med bakterier følsomme overfor disse stoffer. Første generations cefalosporiner har mest aktivitet på Gram-positive bakterier, mens senere generationer også har aktivitet på Gram-negative bakterier.

Cefalosporiner i klinisk brug

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Følgende stoffer er i klinisk brug i Danmark pr. november 2012 (handelsnavne er anført i parentes):

Første generation

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  • Cefalexin (Keflex®)

Anden generation

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  • Cefuroxim (Zinacef®, Zinnat®)

Tredje generation

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  • Cefotaxim
  • Ceftriaxon (Cefotrix, Rocephalin®)
  • Ceftazidim (Fortum®, Solvetan®)

Femte generation

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  • Ceftarolin fosamil (Zinforo)

Med undtagelse af cefuroxim og cefalexin findes disse stoffer kun til intravenøst brug og anvendes derfor primært i hospitalsregi.

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Cefalosporin
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