interactions Flashcards

1
Q

lamotrigine and COC

A

activity of lamotrigine decreases (increased clearance) leading to increased seizure risk

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2
Q

enzyme inducers (PHY, RIF, CBZ, SJW) and COC

A

reduce contraception efficacy

need IUD

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3
Q

warfarin + NSAIDs (eg ibuprofen)

A
  • NSAIDs inc risk of bleeding with warfarin
  • if have to give both should Rx PPI too
  • NO impact on INR
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4
Q
A
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