Tormentil root (Tormentillae rhizoma)

Published May 5, 1988; Revised March 13, 1990.
List of German Commission E Monographs (Phytotherapy)


Name of Drug

Tormentillae rhizoma, tormentil root

Composition of Drug

Tormentil root consists of the dried rhizome taken from the root of Potentilla erecta (L.) Raüschel (synonym: P. tormentilla Necker) [Fam. Rosaceae] and preparations thereof.


Unspecified diarrhea disorders; mild mucous membrane inflammations of the mouth and pharynx.


None known.

Side Effects

Stomach complaints in sensitive subjects.

Interaction with Other Drugs

None known.


When not otherwise prescribed:

Average daily dose:

4 - 6 g of the drug; equivalent preparations. Tormentil tincture:

10 - 20 drops to one glass of water daily to rinse out the mouth and throat. Mode of Administration Crushed drug for boiling and infusing, as well as in other galenical preparations to be taken orally and applied locally.

Duration of Administration

Should the diarrhea last more than 3 - 4 days, a physician should be consulted.