Rosemary leaf (Rosmarini folium)

Published November 30, 1985; Revised November 28, 1986, and March 13, 1990.
List of German Commission E Monographs (Phytotherapy)

Rosmarinblätter

Name of Drug

Rosmarini folium, rosemary leaf.

Composition of Drug

Rosemary leaf consists of the fresh or dried leaf, gathered while flowering, of Rosmarinus officinalis L. [Fam. Lamiaceae], as well as its preparations in effective dosage.

The drug contains at least 1.2 percent (v/w) essential oil, in reference to the dried leaves.

Uses

Internal:

Dyspeptic complaints. External:

Supportive therapy for rheumatic diseases, circulatory problems. Contraindications None known.

Side Effects

None known.

Interactions with Other Drugs

None known.

Dosage

Internal:
Daily dosage:

4 - 6 g of herb; 10 - 20 drops of essential oil; equivalent preparations. External:

50 g of herb for one full bath; 6 - 10 percent essential oil in semi-solid and liquid preparations; equivalent preparations. Mode of Administration Cut drug for infusions, powder, dry extracts and other galenical preparations for internal and external use.

Actions

Experimental:

Antispasmodic on gall passages and small intestines; Positive inotropic; Increases flow through the coronary artery. In humans:

Skin irritating; Stimulates increased blood supply (external use). Ed. note: The essential oil dosage appears excessive and possibly unsafe. A more reasonable dosage for internal use would be 2 drops (1 ml).]. -->