Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Horehound (Marrubium vulgare) has a long history of use in traditional herbal medicine, particularly within European and Mediterranean cultures. While it is best known for its applications in treating cough, sore throat, and digestive complaints, its use for nausea and vomiting is grounded primarily in folk traditions rather than robust scientific evidence. Traditional herbalists have used horehound as a bitter tonic to stimulate appetite and aid digestion, with the belief that it can help settle the stomach and relieve mild nausea. Some historical herbal texts, such as those by Nicholas Culpeper and in the British Herbal Pharmacopoeia, mention the use of horehound for various digestive upsets, which may include symptoms like nausea or queasiness.

However, modern clinical research specifically investigating horehound’s efficacy for nausea and vomiting is extremely limited. Most scientific studies focus on its expectorant properties rather than antiemetic (anti-nausea) effects. The rating of 1 reflects that while there is a traditional basis for its use, there is minimal to no high-quality scientific validation for horehound as a treatment for nausea or vomiting. As such, any use for this purpose should be considered anecdotal and not evidence-based. Individuals considering horehound for nausea should consult with a healthcare professional and be aware of potential side effects and contraindications.

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