Sometimes known as disseminated sclerosis or encephalomyelitis disseminata. MS is a chronic disease that affects the central nervous system (CNS). MS can cause a range of symptoms from changes in sensation, sight problems to muscle weakness, depression and difficulties with coordination and speech. Other symptoms include fatigue, and problems with balance as well as and pain. Multiple Sclerosis (MS) will cause impaired mobility and disability in more severe cases. Find official symptom details diagnosis, treatment and causes from sites listed in this section.