FWD 2 Commission E: Watercress

  The Commission E Monographs

Watercress


Nasturtii herba
Brunnenkressekraut
Published February 1, 1990

Name of Drug

Nasturtii herba, watercress.  

Composition of Drug

Watercress consists of the fresh or dried, above-ground parts of Nasturtium officinale R.  Brown [Fam.  Brassicaceae], as well as their preparations in effective dosage.  

The herb contains mustard glycosides and mustard oil.  

Uses

Catarrh of respiratory tract.  

Contraindications

Gastric and intestinal ulcers, inflammatory kidney diseases.  

No application for children under the age of four.  

Side Effects

In rare cases, gastrointestinal complaints.  

Interactions with Other Drugs

None known.  

Dosage

Unless otherwise prescribed:

Daily dosage:

  • 4 - 6 g dried herb;
  • 20 - 30 g fresh herb;
  • 60 - 150 g freshly pressed juice;
  • equivalent preparations.  

Mode of Administration

Cut herb, freshly pressed juice, as well as other galenical preparations for internal use.