American ginseng and St. John's wort might DECREASE warfarin's anticoagulant effects
New research suggests that American ginseng and St. John's wort might DECREASE warfarin's anticoagulant effects.
This is a surprise. Ginseng and many other herbs have antiplatelet effects and were thought to PROLONG bleeding.
But American ginseng (Panax quinquefolius) and St. John's wort seem to REDUCE warfarin's efficacy...possibly by increasing warfarin metabolism.
Get concise, unbiased advice for effective drug therapy, plus CE/CME
Prescriber's Letter includes:
- 12 issues every year, with brief articles about new meds and guidelines
- 48+ CE courses, including the popular CE-in-the-Letter
- Quick reference drug comparison charts
- Access to the entire archive
Already a subscriber? Log in
Volume pricing available. Get a quote