Fixed Combinations of Gumweed herb, Primrose root, and Thyme

Published April 4, 1992.
List of German Commission E Monographs (Phytotherapy)

Composition of Drug

Fixed combinations consisting of:

Gumweed herb corresponding to B. Anz. 11, January 17, 1991;
Primrose root corresponding to B. Anz. 122, July 6, 1988;
Thyme corresponding to B. Anz. 228, December 5, 1984;

and their preparations in effective dosage.


Colds and diseases of the upper respiratory tract with viscous phlegm.


None known.

Side Effects

Occasionally gastric discomfort and nausea.

Interactions with Other Drugs

None known.


Unless otherwise prescribed:

The individual components of the combination must each be present at 30 - 50 percent of the daily dosage given in the monographs for the individual herbs.

Mode of Administration

Comminuted drug and galenical preparations for oral intake.


An expectorant effect is documented for preparations of primrose root and thyme. Gumweed herb and thyme also have antibacterial action. Primrose root has secretolytic action and thyme, bronchospasmolytic action. Pharmacological tests for the effectiveness of fixed combinations are not available.