The herb horehound has been used since Roman times as a treatment for coughs and other respiratory problems, as well as rabies. It was popular among Native North Americans as well. Teas and syrups of horehound continued to be used through the nineteenth century for coughs and lung complaints, as well as for menstrual problems. Although the herb itself has a strong bitter taste, horehound candy is considered pleasant by some, and it is still available in traditional candy stores.
What is Horehound Used for Today?
Horehound is recommended by some current herbalists as a treatment for
It is commonly stated that horehound loosens bronchial mucous, but there is no meaningful evidence to support this claim. Very weak evidence (far too weak to be relied upon at all), hints that horehound or its constituents marrubenol and marrubiin might have smooth-muscle relaxant,
and nonnarcotic pain-reducing effects.
A typical dose of horehound is 1.5 grams three times daily of the dry herb or 2–6 tablespoons daily of the pressed juice.
Horehound is thought to be relatively nontoxic, but it has not undergone any meaningful safety study. Horehound is traditionally not recommended for use by pregnant women. Safety in young children, nursing women, or people with severe liver or kidney disease has not been evaluated.
El Bardai S, Morel N, Wibo M, et al. The vasorelaxant activity of marrubenol and marrubiin from
Roman Ramos R, Alarcon-Aguilar F, Lara-Lemus A, et al. Hypoglycemic effect of plants used in Mexico as antidiabetics.
Arch Med Res
Novaes AP, Rossi C, Poffo C, et al. Preliminary evaluation of the hypoglycemic effect of some Brazilian medicinal plants.
El Bardai S, Lyoussi B, Wibo M, et al. Pharmacological evidence of hypotensive activity of
in spontaneously hypertensive rat.
Clin Exp Hypertens
De Jesus RA, Cechinel-Filho V, Oliveira AE, et al. Analysis of the antinociceptive properties of marrubiin isolated from
Please be aware that this information is provided to supplement the care
provided by your physician. It is neither intended nor implied to be a
substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER
IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the
advice of your physician or other qualified health provider prior to
starting any new treatment or with any questions you may have regarding a