Grindelia herba

see under Grindeliae herba

Grindeliae herba contains essential oil, about 20 % resin (Grindelia acid, oxygrindelia acid), bitter substances, tannins, phenyl carboxylic acids

Grindeliae herba has antibacterial, expectorant and slightly spasmolytic effects.

Grindelia herb is used for catarrhs of the upper respiratory tract.

The usual daily dose is between 4 and 6 g of the drug, 3 to 6 g of grindelia fluid extract and 1.5 to 3 ml of tincture.

In rare cases there may be irritation of the stomach lining.

Allergy to one of the ingredients, children and adolescents under 18 years of age, pregnancy and lactation when data are scarce.

There are no known interactions with other ingredients.

1. Nowak S et al.(2012) Phenolic acids in the flowers and leaves of Grindelia
2. robusta Nutt. and Grindelia squarrosa Dun. (Asteraceae). Acta Pol Pharm 69:693-698.
3. Schilcher H (2016) Leitfaden Phytotherapie, Urban & Fischer Verlag, Munich, pp. 147f.
4. Veres K et al.(2014) Chemical composition of essential
5. oils of Grindelia squarrosa and G. hirsutula. Nat Prod Commun 9:573-574.
6. https://arzneipflanzenlexikon.info/grindelia.php.
7. https://www.ema.europa.eu/en/documents/herbal-monograph/final-community-herbal-monograph-grindelia-robusta-nutt-grindelia-squarrosa-pursh-dunal-grindelia_en.pdf