Comfrey - Revlimid (Lenalidomide) Interaction
Herbal: Comfrey
Also Known As: Symphytum officinale, Ass Ear, Beinwellwurzel, Black Root, Blackwort, Bruisewort, Common Comfrey, Consolidae Radix, Consoude, Consoude Officinale, Consound, Consuelda, Grande Consoude, Gum Plant, Healing Herb, Herbe aux Charpentiers, Herbe à la Coupure, Knitback
Drug: Lenalidomide
Brand names:
Revlimid
Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
Apr 13, 2024
Interaction Details
There were no interactions found between Lenalidomide and Comfrey. 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.
Comfrey Overview
Comfrey (Symphytum officinale) is an herbaceous plant that belongs to the borage family (Boraginaceae). It is native to Europe and Asia and is known for its hairy, green leaves and small, purple, bell-shaped flowers.
Comfrey has a long history of use in traditional medicine and contains a number of active compounds, including allantoin, which is believed to have anti-inflammatory and healing properties. It has been traditionally used to treat a variety of ailments, including wounds, fractures, and skin conditions. In addition, comfrey is believed to have astringent and expectorant effects, and has been used to treat respiratory disorders and coughs. It is important to note that comfrey may cause liver damage if taken in large amounts (orally) or over a long period of time and should be used with caution. The FDA has recommended removal of oral comfrey products from the market due to potential for liver toxicity although it is currently still available. It is most often seen in topical forms (e.g., as an ointment).
Lenalidomide Overview
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Lenalidomide is used to treat a certain type of myelodysplastic syndrome (a group of conditions in which the bone marrow produces blood cells that are misshapen and does not produce enough healthy blood cells). Lenalidomide is also used along with dexamethasone to treat people with multiple myeloma (a type of cancer of the bone marrow). It is also used to treat people with multiple myeloma after a hematopoietic stem-cell transplant (HSCT; procedure in which certain blood cells are removed from the body and then returned to the body). Lenalidomide is also used to treat people with mantle cell lymphoma (a fast-growing cancer that begins in the cells of the immune system) who have been treated with bortezomib (Velcade) and at least one other medication. Lenalidomide should not be used to treat people with chronic lymphocytic leukemia (a type of cancer of the white blood cells that gets worse slowly over time) unless they are participating in a clinical trial (research study to see whether a medication may be used safely and effectively to treat a certain condition). Lenalidomide is in a class of medications called immunomodulatory agents. It works by helping the bone marrow to produce normal blood cells and by killing abnormal cells in the bone marrow.
Comfrey - More Interactions
Comfrey interacts with 409 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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