American Hellebore - Warfarin Interaction
Herbal: American Hellebore
Also Known As: Veratrum viride, American Veratrum, American White Hellebore, Bugbane, Devil's Bite, Earth Gall, False Hellebore, Green Hellebore, Green Veratrum, Indian Poke, Itchweed, Tickleweed, Varaire Vert, Veratro Verde
Drug: Warfarin
Brand names:
Warfarin
Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
Apr 13, 2024
Interaction Details
There were no interactions found between Warfarin and American Hellebore. This does not mean the potential for an interaction does not exist, however. There is often a lack of studies and data surrounding traditional medicine, especially concerning drug interactions, so it is important to always consult your provider before making any changes to your medication regimen.
American Hellebore Overview
Veratrum viride, commonly known as green false hellebore and American hellebore, is a perennial herbaceous plant native to North America. The applicable part of this plant for medicinal purposes is the rhizome and root. It contains toxic alkaloids, including veratrine, which can cause severe poisoning if ingested. The toxins are thought to be able to be absorbed through unbroken skin as well. Isolated alkaloids in Veratrum viride include O-acetyljervine, cevadine, cryptenamine, cyclopamine (11-deoxojervine), cycloposine, germitrine, germidine, jervine, muldamine, protoveratrine (A&B), veratramine, veratridine, and veriloid. Despite its toxicity, Veratrum viride has been used in traditional medicine for its potential medicinal properties, although these uses are not supported by scientific evidence. Commercial dietary supplement products containing American hellebore are typically homeopathic.
Warfarin Overview
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Warfarin is used to prevent blood clots from forming or growing larger in your blood and blood vessels. It is prescribed for people with certain types of irregular heartbeat, people with prosthetic (replacement or mechanical) heart valves, and people who have suffered a heart attack. Warfarin is also used to treat or prevent venous thrombosis (swelling and blood clot in a vein) and pulmonary embolism (a blood clot in the lung). Warfarin is in a class of medications called anticoagulants ('blood thinners'). It works by decreasing the clotting ability of the blood.
American Hellebore - More Interactions
American Hellebore interacts with 320 drugs
Interaction Rating Key
These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.
| Major | The combined use of these agents is strongly discouraged as serious side effects or other negative outcomes could occur. |
| Moderate | Use cautiously under the care of a healthcare professional or avoid this combination. A significant interaction or negative outcome could occur. |
| Minor | Be aware that there is a chance of an interaction. Watch for warning signs of a potential interaction. |
| Unknown | No interactions have been reported or no interaction data is currently available. |
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Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC
Drug descriptions are provided by MedlinePlus.
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Dr. Brian Staiger, PharmD
In addition to being a clinical pharmacist specializing in pharmacotherapy, Dr. Brian Staiger is a registered herbalist through the American Herbalist Guild. He has combined his passion for pharmacy practice with the study of medical ethnobotany to improve patient care. Feel free to reach out about any of your herbal or medication questions!
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