Diluted extracts isolated from plants and minerals, including belladonna, arnica, St. Johns wort, and Echinacea. As a homeopathic mouth rinse preparation, Traumeel S exhibits antiinflammatory activity; the mechanism of action has not been fully elucidated. This agent may reduce the severity and duration of treatment-related stomatitis. Check foractive clinical trials using this agent. or A substance that contains minerals and extracts of 14 plants, including belladonna, arnica, St. John's wort, and Echinacea. It is being studied as a mouth rinse treatment for oral mucositis (painful mouth sores) caused by cancer therapy. It is known as a homeopathic remedy.