Mullein

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Botanical Names

Botanical name:

• Verbascum thapsus

Parts used and where grown

Mullein is native to much of Europe and Asia and is naturalized to North America. There are over 360 species of Verbascum with V. thapsus, V. phlomides, and V. densiflorum mentioned most often in herbal texts. The leaves and flowers are both used medicinally.

Health Concerns

 

Mullein has been used in connection with the following conditions (refer to the individual health concern for complete information):

Rating	Health Concerns
	Asthma Bronchitis Chronic obstructive pulmonary disease (COPD) Common cold/sore throat Cough Ear infections
Reliable and relatively consistent scientific data showing a substantial health benefit. Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit. An herb is primarily supported by traditional use, or the herb or supplement has little scientific support and/or minimal health benefit.

Traditional Use

Historical or traditional use (may or may not be supported by scientific studies)

Mullein leaves and flowers are classified in traditional herbal literature as expectorants (promotes the discharge of mucus) and demulcents (soothes irritated mucous membranes). Historically, mullein has been used by herbalists as a remedy for the respiratory tract, particularly in cases of irritating coughs with bronchial congestion.¹ Some herbal texts extend the therapeutic use to pneumonia and asthma.² Due to its mucilage content, mullein has also been used topically by herbalists as a soothing emollient for inflammatory skin conditions and burns.

Active Constituents

Active constituents

Mullein contains approximately 3% mucilage and small amounts of saponins and tannins.³ The mucilaginous constituents are thought to be responsible for the soothing actions on mucous membranes. The saponins may be responsible for the expectorant actions of mullein.⁴ Human clinical trials are lacking to confirm the use of mullien for any condition, however.

Dosage

How much is usually taken?

A tea of mullein is made by pouring 1 cup (250 ml) of boiling water over 1-2 teaspoons (5-10 grams) of dried leaves or flowers and steeping for ten to fifteen minutes. The tea can be drunk three to four times per day. For the tincture, 1/4-3/4 teaspoon (1-4 ml) is taken three to four times per day. As a dried product, 1/2-3/4 teaspoon (3-4 grams) is used three times per day.⁵ Mullein is sometimes combined with other demulcent or expectorant herbs when used to treat coughs and bronchial irritation. For ear infections, some doctors apply an oil extract directly in the ear. If the eardrum has ruptured, nothing should be put directly in the ear. Therefore, a qualified healthcare professional should always do an ear examination before mullein oil is placed in the ear.

Side Effects

Are there any side effects or interactions?

Mullein is generally safe except for rare reports of skin irritation. There are no known reasons to avoid its use during pregnancy or breast-feeding.

At the time of writing, there were no well-known drug interactions with mullein.

References

1. Hoffman D. The Herbal Handbook: A User's Guide to Medical Herbalism. Rochester, VT: Healing Arts Press, 1988, 67.
2. Grieve M. A Modern Herbal, vol 2. New York: Dover Publications, 1971, 562-6.
3. Wichtl M. Herbal Drugs and Phytopharmaceuticals. Boca Raton, FL: CRC Press, 1994, 18-9.
4. Tyler VE. The Honest Herbal, 3d ed. Binghamton, NY: Pharmaceutical Products Press, 1993, 219-20.
5. Blumenthal M, Busse WR, Goldberg A, et al. (eds). The Complete Commission E Monographs: Therapeutic Guide to Herbal Medicines. Boston, MA: Integrative Medicine Communications, 1998, 173.

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Last Review: 01-21-2009

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The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires February 2010.

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