Pop Quiz for April 29, 2025

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  What do Nitrofurantoin, Ferrous Sulfate, and Propofol have in common?
  • May cross react with sulfa
  • Significant GI side effects
  • Used to treat UTIs
  • Discolored urine or stool

Cefiderocol (Fetroja) has some case reports where the urine is discolored a deep purple, likely due to its mechanism of action involving iron