05/24/2026
Horehound (usually white horehound, Marrubium vulgare) is a traditional herbal plant in the mint family that has been used for centuries, especially for respiratory and digestive support.
Common uses and potential benefits
Cough and respiratory support
Often used in teas, syrups, and lozenges for coughs
May help loosen mucus and soothe throat irritation
Common in old-fashioned horehound candy for cough relief
Digestive support
Traditionally used to stimulate appetite
May help with indigestion, bloating, and gas because it is a bitter herb that can encourage digestive juices
Sore throat relief
Warm horehound tea is sometimes used to calm scratchy or irritated throats
Mild anti-inflammatory and antioxidant properties
Contains plant compounds that may help reduce inflammation and oxidative stress
Traditional immune support
Historically used during colds and seasonal illness
Common ways to use horehound
Tea
Steep dried leaves in hot water for 10β15 minutes
Often mixed with honey, peppermint, or lemon because it has a very bitter taste
Cough syrup
Combined with honey for homemade herbal cough remedies
Lozenges or candy
Traditional herbal cough drops and hard candies
Tincture
Concentrated liquid extract
Possible side effects and cautions
Can cause stomach upset in large amounts
Very high amounts may affect heart rhythm or blood pressure
Avoid large medicinal amounts during pregnancy
If you take diabetes, blood pressure, or heart medications, use caution and ask a healthcare professional before frequent use
Herbs that pair well with horehound
Mullein β respiratory blends
Peppermint β improves flavor and digestion
Marshmallow root β soothing for dry coughs
Thyme β respiratory support
Lemon balm β calming blends