The EclecticPhysician

The Eclectic Physician
Medicinal Herb Monographs

 

Verbascum thapsus
(Mullein)

Verbascum

Verbascum thapsus
(Mullein)

The information on this page compiled by
Beth Burch N.D.

Index
(click on the keywords)

Description

Mullein is a bi-annual. The first year the plant grows a roset of leaves that are 6 to 8 inches long and covered with fuzzy hairs which make them feel thick to the touch. The second year of growth it sends up a stalk that is 4 to 5 feet tall. The leaves grow alternately up the stalk and get smaller as they near the top. A spike of flowers grows on the top. The suphur-yellow flowers, nearly an inch across, are formed of four or five petals that unite at the base to form a short tube.
 
 


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Constituents

  • Polysaccharides
  • Iridoid glycosides, including harpagoside, harpagide and aucubin (especially in the leaf)
  • Flavonoids, including 3'-methylquercitin, hesperidin and verbascoside
  • Saponins
  • Volatile oil


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Indications

  • Preparations from the flowers-
    • Paroxysmal laryngeal cough
    • Chronic bronchitis
    • Hay fever, asthma
    • Earache
  • Preparations from the leaf-
    • Rheumatic complaints including rheumatoid arthritis, neuralgia, headaches


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Action/Effects

  • Demulcent, Emollient- the polysaccharide mucilage and gums soothe irritated tissues
  • Expectorant- saponins stimulate fluid production
  • Anti-inflammatory- iridoid glycosides and flavonoids decrease inflammation
  • Mild Diuretic
  • Anti-viral


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Recommended Dosage

  • German Commission E monograph recommends 3-4 grams of dried mullein flowers made into a tea.
  • 4 ml of a 1:4 extract of flowers or leaf


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Side Effects

  • None known


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Contraindications

  • None known


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Use with prescription medications

  • No known interactions

  •  


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Use in pregnancy & lactation

  • No adverse effects reported


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Summary of Scientific Studies

  • Mullein flower extracts inhibit the growth of influenza viruses by stimulating interferon-like activity


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* The information presented in this web site is intended to inform and educate. It is not intended replace a qualified medical practitioner to diagnose or treat medical conditions.

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