Marrubium vulgare
(Horehound)

Therapeutic Actions:

• Expectorant
• Bitter tonic
• Antiseptic
• Cholagogue
• Normalizes irregular heart beat in small amounts
• Vasodilatory

Clinical Indications:

• Asthma
• Bronchitis
• Hypertension
• Dyspepsia
• Extrasystolic arrhythmia
• Upper respiratory tract infections

Contraindications:

• Pregnancy due to the abortifacient effects

Drug/Nutrient Interaction:

• Limited data

Chemical Constituents:

• Alkaloids:
  
  Betonicine and its isomer turicine
• Choline
• Diterpene lactone:
  
  Marrubiin
• Diterpene alcohols:
  
  Marrubiol
  Marrubenol
  Sclareol
  Peregrinin
  Dihydroperegrinin
• Phytosterols
• Resin
• Tannin
• Volatile oil

Toxicity:

• No known toxicity

Copyright 1998 - 2008 by L. Vicky Crouse, ND and James S. Reiley, ND. All rights reserved (ISSN 1527-0661).