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Do you struggle with knowing if a medication interaction is clinically meaningful? Do you get confused about which medications cause interactions and which are simply along for the ride? This session is devoted to reviewing pharmacokinetic CYP450 enzyme and P-glycoprotein transporter interactions using examples that are medications used for psychiatric and substance use disorders. Learners will leave the session with the ability to describe and evaluate specific medication interactions.



  • Describe how pharmacokinetic (PK) parameters are used to assess medication interactions
  • Describe the CYP450 enzymes including common substrates, inhibitors, and inducers and expected timeframe of CYP450 enzyme interactions
  • Identify key psych/SUD medications involved in CYP450 enzyme and P-glycoprotein interactions
  • Apply PK and medication interaction knowledge to a patient scenario

Continuing Medical Education Credits:

For physicians who require a CME certificate, the certificate will be emailed directly to you 2-3 weeks after this course You must complete the survey within 2 weeks to receive your certificate. For all other professions, you can download and use the certificate provided within this course.


Online Course Evaluation: Instructions

After the live meeting ends:

  1. Log into this online course
  2. Click below on “Course Survey” to access the survey. After completing the survey, return to the course page.
  3. After you submit the evaluation, click Mark Complete and you will be able to download or print your certificate. The certificate will also be emailed to you as a PDF.
  4. If you need a certificate for Continuing Medical Education, you will be emailed a CME certificate within 2-3 weeks of completion of the course evaluation.