Multiple sclerosis (MS) can be thought of as an inflammatory process involving different areas of the central nervous system (CNS) at various points in time. Examples of medications for treating MS include

• corticosteroids, for example, methylprednisolone (Solu-Medrol);
• immuno-dilating drugs (interferons and glatiramer acetate (Capaxone);
• immunosuppressants, for example, Mitoxantrone (Novantrone), cyclophosphamide (Cytoxan), azathioprine (Imuran), or methotrexate (Rheumatrex, Trexall);
• optional therapies, for example, fingolimod (Gilenya); and
• investigational drugs.