Boiron Homeopathic Medicines - BOIRON USA Boiron, world leader in homeopathic medicines, is a public company with 4,000 employees in more than 80 countries. Boiron is best known for its top-selling flu medicine, Oscillococcinum®, its Chestal® cough syrup, and its Arnicare® line of pain relievers. Boironusa.com~Site InfoWhoisTrace RouteRBL Check