Other Names : Marrubium vulgare, hoarhound, white horehound. A different genus, the black horehound (Ballota nigra), is a fetid-odored perennial native to the Mediterranean area that sometimes is used as an adulterant of white horehound.<br>Horehound is native to Europe and Asia and has been naturalized to other areas, including the US. It is a perennial, aromatic herb of the mint family. The plant has oval leaves covered with white, woolly hairs, and bears small, white flowers.<br>See also : [[Bitters]]
==Special Precautions of Horehound==
Large doses may induce cardiac irregularities.