Arrach - Interferon Beta-1b Interaction
Herbal: Arrach
Also Known As: Chenopodium vulvaria, Arroche Puante, Chénopode Fétide, Chénopode Puant, Dog's Arrach, Goat's Arrach, Goosefoot, Herbe de Bouc, Netchweed, Oraches, Stinking Arrach, Stinking Goosefoot, Stinking Motherwort, Vulvaire
Drug: Interferon Beta-1b
Brand names:
Betaseron, Betaferon, Extavia

Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
May 04, 2025
Interaction Details
Interferon Beta-1b is classified as belonging to the following category: Photosensitizing Drugs
Theoretically, concomitant use of arrach can increase risk of adverse effects, as unspecified Chenopodium species are associated with photosensitivity.
Interaction Rating
Likelihood of Occurrence
PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
References
- Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
Arrach Overview

Interferon Beta-1b Overview
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Interferon beta-1b injection is used to reduce episodes of symptoms in patients with relapsing-remitting (course of disease where symptoms flare up from time to time) of multiple sclerosis (MS, a disease in which the nerves do not function properly and patients may experience weakness, numbness, loss of muscle coordination and problems with vision, speech, and bladder control). Interferon beta-1b is in a class of medications called immunomodulators. It is not known exactly how interferon beta-1b works to treat MS.
Arrach - More Interactions
Arrach interacts with 333 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.
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Drug descriptions are provided by MedlinePlus.