Contraindications

1) Arnica may cause contact dermatitis due to sesquiterpene or irritant volatile oil when used on sensitive or broken skin. E

2) Prolonged use may lead to allergic reactions due to the presence of the sesquiterpenes (helenalin).

3) Do not use this herb internally due to its toxic effects on the liver and kidneys.

4) Do not use during pregnancy.

The information contained in these pages is an indication of possible contraindications, but if you are at all concerned about any herb and its suitability for personal use please contact a herbal practitioner in your area or contact us.