Arnicae flos

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

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Last updated on: 29.10.2020

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Arnica flowers; flores arnicae

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Arnica blossom extract from both Arnica montana and Arnica chamissonis. The arnica blossom extract is the basic product of Tinctura arnicae.
Ingredients: essential oils, various Fatty acids, terpenes (e.g. azulene), sesquiterterpene lactones (especially helenalin), triterpenes (arnidiol), various fatty acids, arsenic. Thymol species, paraffins; also coumarins, coffee acids, choline and flavonoids(astragaline).

Pharmacodynamics (Effect)
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With external application antimicrobial and antiphlogistic (especially through the sesquiterterpenes), and decongestant effect, promotes wound healing.

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External: Tinctura arnicae can be used as an embrocation or compress for blunt traumas, bruises, muscle and joint pain, insect bites, thrombophlebitis, chronic venous insufficiency.

It is not recommended to use on open wounds.

Aphthae: Arnica tincture in 10% dilution is also recommended for aphthae and non-specific periodontitis.
Internal: not recommended.

Undesirable effects
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Contact allergy (as with other asteraceae extracts), in higher concentrations also toxic contact dermatitis.

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  1. Hausen BM et al (1978) The sensitizing capacity of Compositae plants. I. Occupational contact dermatitis from Arnica longifolia Eaton. Contact dermatitis 4:3-10.
  2. Jimenez V et al (2014) Natural sesquiterpene lactones induce programmed cell death in Trypanosoma cruzi: a new therapeutic target? Phytomedicine 21:1411-1418.
  3. Merfort I (2011)Perspectives on sesquiterpene lactones in inflammation and cancer. Curr drug targets 12:1560-1573.
  4. Usui K et al(2015) Identification of HSP70-inducing activity in Arnica montana extract and purification and characterization of HSP70-inducers. J Dermatol Sci 78:67-75.

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