Marrubii herba

Dried leaves, flowers and stems of horehound, which are used phytotherapeutically, contain numerous bitter substances.

Quality is defined in the European Pharmacopoeia (Ph. Eur.)

HMPC monograph: traditional use:expectorant, for mild dyspeptic complaints: flatulence and bloating, intermittent loss of appetite.
ESCOP monograph: loss of appetite, digestive complaints: bloating, flatulence; catarrh of the upper respiratory tract.

Commission E monograph: for loss of appetite and dyspeptic complaints such as bloating and flatulence; catarrh of the respiratory tract.

Marrubii herba contains up to 1% of the terpene derivative marrubiin, 0.05% essential oils and up to 7% tanning agents.

Marrubii herba is used in accordance with the guidelines of Commission E for loss of appetite, dyspeptic complaints such as flatulence and a feeling of fullness and catarrhs of the airways. In addition, the drug is used to support the mucus solution in the respiratory tract.

The daily dose is 4.5 g, 2 to 6 tablespoons of pressed juice. The active ingredient is mostly used as fresh plant press juice, other preparations are also available.

1. Schilcher H (2016) Leitfaden Phytotherapie, Urban & Fischer Verlag, Munich, p 52.
2. https://arzneipflanzenlexikon.info/andorn.php.
3. https://www.ema.europa.eu/en/documents/herbal-monograph/final-community-herbal-monograph-marrubium-vulgare-l-herba-first-version_en.pdf