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Lousewort

Synonyms/Common Names/Related Substances:

  • Iridoid glycosides, isoverbascoside, lamalbid, martynoside, mussaenoside, Pedicularis artselaeri, Pedicularis axillaris Franch., Pedicularis cephalantha Franch., Pedicularis decora, Pedicularis dichotoma Bonati, Pedicula dicora Franch., Pedicularis gracilis Wall., Pedicularis kansuensis, Pedicularis lasiophrys, Pedicularis likiangensis Franch., Pedicularis longiflora, Pedicularis longiflora Rudolph., Pedicularis longiflora var. tubiformis1, Pedicularis longipes Maxim., Pedicularis muscicola Maxim, Pedicularis nordmanniana, Pedicularis olgae Regel., Pedicularis oxycarpa Franch., Pedicularis rex C.B. Clarke, Pedicularis rhinanthoides Schrenk, Pedicularis siphonantha Don, Pedicularis spicata, Pedicularis striata, Pedicularis striata Pall., Pedicularis tapaoensis Tsoong, Pedicularis tenuisecta Franch., Pedicularis yui Li, phenylpropanoid, Scrophulariaceae (family), shanzhiside methyl ester, verbascoside, wood bettony.

Clinical Bottom Line/Effectiveness

Brief Background:

  • The genus Pedicularis contains several species referred to as louseworts. The common name was derived from the idea that livestock would get lice from eating the plant.
  • Pedicularis plants are found mainly in temperate northern hemisphere climates, although some are also found in South America.
  • Although animal studies have indicated that certain chemicals found in the plants may have antiproliferative (1;2;3;4) or antioxidant activity (5;6;7;8), there is insufficient evidence in humans to support the use of Pedicularis species for any indication.

Dosing/Toxicology

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Precautions/Contraindications

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Interactions

Most herbs and supplements have not been thoroughly tested for interactions with other herbs, supplements, drugs, or foods. The interactions listed below are based on reports in scientific publications, laboratory experiments, or traditional use. You should always read product labels. If you have a medical condition, or are taking other drugs, herbs, or supplements, you should speak with a qualified healthcare provider before starting a new therapy.

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Mechanism of Action

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History

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Evidence Table

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Evidence Discussion

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Products Studied

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Author Information

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References

Natural Standard developed the above evidence-based information based on a thorough systematic review of the available scientific articles. For comprehensive information about alternative and complementary therapies on the professional level, go to www.naturalstandard.com. Selected references are listed below.

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The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.