Horseradish (Armoraciae rusticanae radix)

Published May 5, 1988.
List of German Commission E Monographs (Phytotherapy)


Name of Drug

Armoraciae rusticanae radix, horseradish.

Composition of Drug

Horseradish consists of the fresh or dried roots of Armoracia rusticana Ph. Gaertner, B. Meyer et Scherbius (syn. Cochlearia armoracia L.) [Fam. Brassicaceae], as well as their preparations in effective dosage.

The drug contains mustard oil and mustard oil glycosides.



Catarrhs of the respiratory tract; supportive therapy for infections of the urinary tract. External:

Catarrhs of the respiratory tract; hyperemic treatment for minor muscle aches. Contraindications Internal:

Stomach and intestinal ulcers, kidney disorders. No administration to children under the age of 4. Side Effects Internal:

Discomforts of the gastrointestinal tract. Interactions with Other Drugs None known.


Unless otherwise prescribed:

Average daily dosage:

20 g of fresh root; equivalent preparations. External:

Preparations with a maximum of 2 percent mustard oil. Mode of Administration Fresh or dried, cut or ground root, freshly pressed juice as well as other galenical preparations for internal or external applications.