Lily-of-the-valley herb Convallariae herba
Maiglckchenkraut
Published April 23, 1987; Revised February 1, 1990
Name of Drug
Convallariae herba, lily-of-the-valley herb.
Composition of Drug
Lily-of-the-valley herb consists of the dried, above-ground parts of Convallaria majalis L. [Fam. Liliaceae], or closely related species, as well as their preparations in effective dosage. The herb is harvested during flowering season. The lily-of-the-valley contains cardioactive glycosides; the principal glycoside is convallotoxin.
Uses
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Mild cardiac insufficiency, heart insufficiency due to old age, chronic cor pulmonale.
Contraindications
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Therapy with digitalis glycosides, potassium deficiency.
Side Effects
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Nausea, vomiting, cardiac arrhythmias.
Interactions with Other Drugs
Increased effectiveness and also side effects of simultaneously administered quinidine, calcium, saluretics, laxatives, and extended therapy with glucocorticoids.
Dosage
Unless otherwise prescribed:
Average daily dosage:
- 0.6 g standardized lily-of-the-valley powder;
- equivalent preparations.
Mode of Administration
Comminuted herb, as well as galenical preparations thereof for internal use.
Actions
Positive inotropic on the myocardium Economizes heart performance Lowers the elevated left-ventricular diastolic pressure, as well as pathologically elevated venous pressure Tonic for the veins Natriuretic Kaliuretic
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