Pop Quiz for January 30, 2026

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  What do Imatinib, Trimethoprim/sulfamethoxazole, and Fluconazole have in common?
  • No effect on warfarin
  • Increase warfarin effect
  • Decrease warfarin effect
  • Increase or Decrease warfarin effect

When given with amiodarone, warfarin doses should be decreased 25-50% and monitored weekly for at least one month due to long half-life of amiodarone