White horehound, also known as white horehound, common horehound (Marrubium vulgare), or horehound for short, helfkraut, white dorant, a plant species of the genus horehound in the labiates family, medicinal plant, the drug is the so-called horehound herb, which is the dried leaves and stem parts. In folk medicine, horehound is used as a tea preparation for loss of appetite, digestive problems, biliousness and bronchial catarrh