Tamoxifen Pharmacology Podcast

On this podcast episode, I discuss tamoxifen pharmacology, adverse effects, drug interaction, and much more.

Tamoxifen is converted to a more active compound in the body by CYP2D6.

CYP2D6 inhibitors such as paroxetine, fluoxetine, or bupropion can essentially reduce the effectiveness of tamoxifen.

Hot flashes are a common adverse effect of tamoxifen and I discuss a few pharmacologic options to manage this adverse effect.

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Paroxetine Pharmacology

Paroxetine (Paxil) is an SSRI that can be used in the management of depression. I discuss more on paroxetine pharmacology in this episode.

Because paroxetine has some modest anticholinergic effects, it does show up on the Beers list as a potentially inappropriate medication.

By inhibiting CYP2D6, paroxetine can have numerous drug interactions. Drugs like atomoxetine, aripiprazole, and metoclopramide can all have their concentrations increased.

Tamoxifen is activated by CYP2D6 and paroxetine can ultimately reduce the effectiveness of the medication.

I discuss important drug interactions on the podcast, be sure to check out my latest project which is a 200+ page book on managing drug interactions in primary care.

Be sure to check out our free Top 200 study guide – a 31 page PDF that is yours for FREE!