Witch Hazel leaf and bark Hamamelidis folium et cortex
Hamamelisbltter und-rinde
Published August 21, 1985; Revised March 13, 1990
Name of Drug
Hamamelidis folium, witch hazel leaf. Hamamelidis cortex , witch hazel bark.
Composition of Drug
Witch hazel leaf consists of the dried leaf of Hamamelis virginiana L. [Fam. Hamamelidaceae], as well as its preparations in effective dosage.
The drug contains 3 - 8 percent tannin, mainly gallotannins. Other ingredients are flavonoids and essential oil.
Witch hazel bark consists of the dried bark of the trunk and branches of H. virginiana L., as well as its preparations in effective dosage.
The drug contains at least 4 percent tannins. Characteristic ingredients of witch hazel bark are -hamamelitannin and g-hamamelitannin, the depside ellagitannin, catechin derivatives, and free gallic acid.
Fresh leaf and twigs of H. virginiana L., consists of leaves and twigs collected in spring and early summer for the production of water distillates.
Uses
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Minor injuries of skin, local inflammation of skin and mucous membranes. Hemorrhoids. Varicose veins.
Contraindications
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None known.
Side Effects
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None known.
Interactions with Other Drugs
None known.
Dosage
Unless otherwise prescribed:
External:
- Water steam distillate (witch hazel water) undiluted or diluted 1:3 with water;
- For poultices, 20 - 30 percent in semi-solid preparations.
- Extract preparations:
- Semi-solid and liquid preparations, corresponding to 5 - 10 percent drug.
- Drug:
- Decoctions of 5 - 10 g of herb per cup (250 ml) of water for compresses and irrigations.
Internal use (mucous membranes):
- Suppositories:
- 1 - 3 times daily, the amount of a preparation corresponding to 0.1 - 1 g drug to be applied 1 - 3 times a day.
- Other preparations:
- Several times daily, corresponding to 0.1 - 1 g drug in preparations, or witch hazel water undiluted or diluted with water.
Mode of Administration
Witch hazel leaves and bark:
- Cut drug or extracts for internal and external use.
Fresh leaves and bark of Hamamelis :
- Steam distillate for internal and external use.
Actions
Astringent Antiinflammatory Locally hemostatic
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