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Herb-drug interactions: an evidence based approach
P D Coxeter1, A J McLachlan, C C Duke
1Herbal Medicines Research and Education Centre, Faculty of Pharmacy, The University of Sydney, NSW 2006, Australia.
Current Medicinal Chemistry
|June 8, 2004
Summary
Adverse herb-drug interactions pose a public health risk as herbal medicinal products (HMPs) are increasingly used with prescription drugs. Evidence appraisal is crucial for guiding healthcare providers in managing these potential interactions.
Area of Science:
- Pharmacology
- Integrative Medicine
- Public Health
Background:
- Herbal medicinal products (HMPs) are widely used alongside conventional prescription medications.
- This concurrent use raises concerns regarding potential adverse herb-drug interactions (HDIs).
- Existing evidence on HDIs is complex, drawn from diverse sources like case reports and metabolism studies.
Purpose of the Study:
- To highlight the public health significance of adverse herb-drug interactions.
- To emphasize the need for evidence-based guidance for healthcare practitioners.
- To underscore the complexity of current evidence regarding HDIs.
Main Methods:
- Review of existing literature on herb-drug interactions.
- Appraisal of diverse evidence sources, including adverse event databases, case reports, in vitro and in vivo drug metabolism studies, and clinical interaction studies.
- Synthesis of available data to assess the clinical significance of HDIs.
Main Results:
- The concurrent use of HMPs and prescription drugs presents a significant public health concern due to potential adverse interactions.
- The current body of evidence regarding HDIs is complex and multifaceted.
- Further rigorous studies are needed to fully ascertain the clinical significance of many reported HDIs.
Conclusions:
- An evidence-based appraisal of the current literature is essential for practitioners managing patients using both HMPs and prescription medications.
- Healthcare providers require clear guidance to navigate the complexities of herb-drug interactions.
- Addressing potential adverse HDIs is critical for ensuring patient safety and public health.