The Medical journal of Australia
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Multiple sclerosis (MS) is a chronic inflammatory demyelinating disease of the central nervous system (CNS) and a common cause of disability in young adults; it is most likely an autoimmune disease. Typically, MS initially follows a relapsing-remitting course, but most patients eventually develop secondary progressive MS, where there is progressive deterioration without relapses or remissions; in some patients, MS has a primary progressive course. The diagnosis of MS requires evidence of CNS lesions disseminated in time and place, as well as the exclusion of other likely causes of these lesions; the clinical history, neurological examination and investigations, such as magnetic resonance imaging of the brain and spinal cord, all have key roles in the diagnosis. ⋯ Moderate to severe attacks of MS are best treated with intravenous infusions of high-dose methylprednisolone. Interferon beta reduces the frequency of attacks and the progression of disability in relapsing-remitting MS. Symptomatic therapy is important in the management of spasticity, pain, urinary problems and the other symptoms or complications of MS.