Coltsfoot leaf
Farfarae folium
Huflattichbltter
Published July 27, 1990
Name of Drug
Farfarae folium, coltsfoot leaf.
Composition of Drug
Coltsfoot leaf consists of the fresh or dried leaves of Tussilago farfara L. [Fam. Asteraceae], as well as its preparations in effective dosage.
The drug contains mucilage and tannins. Coltsfoot leaf also contains varying amounts of pyrrolizidine alkaloids with a 1,2-unsaturated necine structure and their N-oxides.
|
Uses
|
|
Acute catarrh of the respiratory tract with cough and hoarseness, acute, mild inflammation of the oral and pharyngeal mucosa.
|
Contraindications
|
|
Pregnancy, nursing.
|
Side Effects
|
|
None known.
Interactions with Other Drugs
None known.
Dosage
Unless otherwise prescribed:
Daily dosage:
- 4.5 - 6 g of drug;
- equivalent preparations.
The daily dosage of coltsfoot tea (drug) and of tea mixtures must not exceed 10 g pyrrolizidine alkaloids with 1,2 unsaturated necine structure, including their N-oxides.
The daily dosage for extracts and pressed juice from fresh plants must not be more than 1 g of total pyrrolizidine alkaloids with 1,2 unsaturated necine structure, including their N-oxides.
Mode of Administration
Comminuted drug for infusions, pressed plant juice or other galenical preparations for internal use.
Duration of Administration
Not longer than 4 - 6 weeks per year.
Unless otherwise stipulated:
- Ointments or other preparations for external use are made up with 5 - 20 percent of the drug and prepared accordingly.
The daily dose should not exceed more than 100 g pyrrolizidine alkaloids with 1, 2-unsaturated necine structure including their N-oxides.
Actions
Inhibits inflammation
Furthers the formation of callus
Antimitotic
|
