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Tackling Tetracyclines

Rumor vs Truth

Rumor vs Truth
Tackling Tetracyclines
Mar 18, 2025 Season 1 Episode 3
TRC Healthcare

In this episode, hosts Don Weinberger and Steve Small separate fact from fiction when it comes to claims about tetracyclines

🦷 Will doxycycline stain children’s teeth? 
☠️ Is expired tetracycline truly deadly? 
🐱 What do cats have to do with all this? 

🚴‍♂️ Let’s cycle through the facts! 

They’ll share research and insights into some interesting claims including:

  • Doxycycline should never be used in young kids due to teeth concerns.
  • Doxycycline monohydrate is better than the hyclate version.
  • Minocycline can permanently pigment skin.
  • Expired tetracyclines are toxic.
  • Tetracyclines shouldn’t be used in pregnancy.
  • Tetracyclines shouldn’t be combined with milk.

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TRC Healthcare Editor Hosts:

  • Stephen Small, PharmD, BCPS, BCPPS, BCCCP, CNSC 
  • Don Weinberger, PharmD

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Guest: 

  • Michael Deaney, PharmD, AAHIVP (Clinical Pharmacist, Children’s Hospital Colorado)

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The clinical resources mentioned during the podcast are part of a subscription to Pharmacist’s Letter, Pharmacy Technician’s Letter, and Prescriber Insights

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Rumor vs Truth is a production of TRC Healthcare.


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