A combination of antibiotics including rifabutin, clarithromycin and clofazimine for the treatment of an autoimmune disease such as multiple sclerosis and related diseases. In a further aspect, there is provided a composition comprising a combination of two or more antibiotic agents for the treatment of an autoimmune disease, said two or more antibiotic agents selected from rifabutin, clofazimine, and at least one macrolide.
