Food Interactions with Prescription Drugs  - RD09

Food Interactions with Prescription Drugs

by Karen Lilyquist, PhD, RD, RN, LD and Julie Stefanski, MEd, RDN, CSSD, LDN, CDE
(4.3 / 237 ratings )

This course is credentialed for:
Dietetics/Nutrition (2.00 CPEU)

Price: $39.00
CE-PRO Price: $19.50


Prescription drugs are an important intervention to decrease the complications of medical conditions, but interactions between prescription drugs and certain foods, supplements and herbs can result in detrimental consequences. Instead of a positive outcome, food-drug interactions can affect the intended action of a medication regimen negatively by decreasing its effectiveness and leading to increased morbidity, extended treatment duration or hospitalization. The number of people taking prescription drugs increases every year, and healthcare providers need to be well versed in the potential interactions of prescription drugs with food, food substances and dietary supplements, to educate patients appropriately and help lessen potentially adverse effects.


The goal of this prescription drug-food interaction continuing education module is to inform dietitians, dietary managers, fitness professionals, health educators and occupational therapists regarding the adverse effects and effectiveness of prescription drugs caused by the intake of certain food, food substances and dietary supplements. After reading this module, the participant will be able to:
  • Identify at least five factors affecting the therapeutic outcome of drug therapy
  • Identify potential grapefruit-drug interactions and the potential effect on the body
  • Discuss dietary monitoring and modifications needed for medications discussed
  • Identify five common herbal preparations or supplements that interfere with the pharmacokinetics of certain drugs
  • Identify one drug classification that herbal preparations or supplements affect
OnCourse Learning is a Continuing Professional Education (CPE) Accredited Provider (#GD001) with the Commission on Dietetic Registration (CDR). This course is a Level 2 course. Suggested CDR Learning Codes: 2000, 2010, 2100, 3000, 3005, 3040, 3070, 4000, 4090, 5000, 5100, 5160.
OnCourse Learning is also accredited by the Florida Council of Dietetics and Nutrition (provider # FBN 50-1489).

Course Originally Released on: 6/10/2011
Date of Most Recent Review: 10/29/2013
Course Termination/Update Date: 5/31/2017

Unless stated above, the planners and authors of this course have declared no relevant conflicts of interest that relate to this educational activity. OnCourse Learning guarantees this educational activity is free from bias.

Please see CE Course Instructions to learn how to earn CE credit for this module.


For Florida professionals:

This course completion will be electronically reported to CE Broker as required per Florida Statute 456.025(7). Click here to view your CE Broker transcript and check the status of your CE requirements with a FREE 7-day CE Broker trial subscription. It may take up to 24 hours for the course to appear on your CE Broker transcript.

It is now required that all CE is completed and reported to CE Broker before you renew your license. When you complete continuing education with us, OnCourse Learning will report your hours for you.

Read more about the new license renewal process at and claim your free Basic Account in CE Broker to see what has already been reported for you.

Please check the licenses/certifications section under my account (after logging in) to make sure you have entered a valid FL license number. This information is required for correct reporting of your course completions to CE Broker.

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Christy C - Hattiesburg, MS  ·  Oct 13, 2016
Very helpful information.
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Pauline W - West Hartford, CT  ·  Jul 21, 2016
This was an excellent overview and review of the material!
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GREGORY K - Naples, FL  ·  Jun 29, 2016
very informative course
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Cara T - Tallahassee, FL  ·  May 24, 2016
I found the information provided to be extremely informative and useful.
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Deborah F - Goodlettsville, TN  ·  Apr 01, 2016
1)Course rating: 5 2)Recommendation of course: Yes 3)The progression in which the information is presented is easy to follow. Information is thorough and pertinent to my practice.
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Price: $39.00
CE-PRO Price: $19.50