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Be (a)ware when consuming your spooky treats! (Applies to all oral meds)
(sh.itjust.works)
ID: tis the season to remember that activated charcoal can render oral birth control ineffective
Grapefruit has bad interactions with a lot of medications for some reason
It has a chemical that is a potent CYP3A4 inhibitor - it basically turns off the enzyme that metabolizes a good chunk of medicines.
Earl grey tea has it too.