Arnicae flos

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

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Last updated on: 07.11.2022

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Arnica flowers; flores arnicae

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Yellow flowers of arnica.

Arnica flower extract from both Arnica montana and Arnica chamissonis. Arnica flower extract is the starting product of Tinctura arnicae.

Ingredients: essential oils, various fatty acids, terpenes. Fatty acids, terpenes (e.g. azulene), sesquiterterpene lactones (especially helenalin), triterpenes (arnidiol), various types of thymol, paraffin. Furthermore, coumarins, caffeic acids, choline and flavonoids (astragalin).

HMPC monograph: Traditional-use: bruises, sprains, local muscular pains ("sore muscles"
)ESCOP monograph: External: bruises, sprains and inflammations due to insect bites; for gingivitis, aphthae; for the symptomatic treatment of rheumatic complaints and muscular pains ("sore muscles").
Commission E-monograph: External: Consequences of injuries and accidents, e.g. haematoma, sprains, bruises, contusions, fracture oedema; rheumatic muscular and joint complaints. Inflammation of the mucous membranes of the mouth and throat; furunculosis and inflammation as a result of insect bites; superficial phlebitis.

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Only externally, always in dilution: Tinctura arnicae can be used for rubs or poultices for blunt traumas, bruises, muscle and joint pain, insect bites, thrombophlebitis, chronic venous insufficiency.

It is not recommended to use on open wounds.

Aphthae: Furthermore, arnica tincture in a 10% dilution is recommended for aphthae and non-specific periodontitis.
Internal: is not recommended: severe side effects may occur with sweating, gastro-enteritis, tachycardia, dyspnea to collapse.

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

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Allergy to daisy flowers,

Pregnancy and lactation, and children under 12 years of age in the absence of data.

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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.
  7. Wenigmann M. (2017) Phytotherapy medicinal drugs, phytopharmaceuticals, application. Urban & Fischer, pp.71-72

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Arnica; Arnica flowers;