Rhizoma filicis

Authors:Prof. Dr. med. Peter Altmeyer, Prof. Dr. med. Martina Bacharach-Buhles

All authors of this article

Last updated on: 24.01.2025

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Synonym(s)

Devil's Claw.; Radix Filicis maris; St. John's root; Worm fern root

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DefinitionThis section has been translated automatically.

The dried rootstock of the worm fern, collected in the fall, stripped of its roots, unpeeled and uncut.

Commission E: not processed

ESCOP: not processed

HMPC: not processed

Empirical medicine: used against worms, especially tapeworms, hookworm.

Obsolete today due to its limited therapeutic range.

IngredientsThis section has been translated automatically.

Aspidinol, filicic acid butanone, albaspidin, floraspidinol, filix acid, filix tannins and other butanophloroglucides, fatty and essential oil, bitter substances, oil, starch, mucilage.

Field of application/useThis section has been translated automatically.

An essential root extract with 25% filixic acid (DAB 6) is used as a vermifuge.

Undesirable effectsThis section has been translated automatically.

Malaise, nausea, vomiting, diarrhea, in case of overdose symptoms of poisoning: dizziness, headache, drowsiness, convulsions, rarely psychosis.

Visual disturbances possibly leading to blindness, cardiovascular, liver and kidney damage. Death due to respiratory paralysis also possible, lethal dose of extract: from 10 g.

LiteratureThis section has been translated automatically.

  1. https://www.awl.ch/heilpflanzen/dryopteris_filix_mas/wurmfarn.htm
  2. https://heilkraeuter.de/lexikon/farn.htm
  3. http://www.pharmakobotanik.de/systematik/6_droge/filici-r.htm

Authors

Last updated on: 24.01.2025

Authors: Prof. Dr. med. Peter AltmeyerProf. Dr. med. Martina Bacharach-Buhles