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The Commission E Monographs |
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Comfrey herb and leaf Symphyti herba/-folium
Beinwellkraut/-bltter
Published July 27, 1990
Name of Drug
Symphyti herba, comfrey herb. Symphyti folium, comfrey leaf.
Composition of Drug
Comfrey herb consists of the fresh or dried above-ground parts of Symphytum officinale L. [Fam. Boraginaceae], as well as their preparations in effective dosage.
Comfrey leaf consists of the fresh or dried leaf of S. officinale L., as well as its preparations in effective dosage.
The drug contains allantoin and rosmarinic acid.
Uses
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External:
Contraindications
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None known.
Note:Application should only occur on intact skin. During pregnancy use only after consultation with a physician.
Side Effects
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None known.
Interactions with Other Drugs
None known.
Dosage
Unless otherwise prescribed:
- Ointments and other preparations for external application with 5 - 20 percent dried drug;
- equivalent preparations.
The daily applied dosage should not exceed 100 mcg of pyrrolizidine alkaloids with 1,2-unsaturated necine structure, including their N-oxides.
Mode of Administration
Comminuted herb and other galenical preparations for external use.
Duration of Administration
Not more than 4 - 6 weeks per year.
Action
Antiinflammatory
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