Hi......, MS is a disorder of the central nervous system (CNS) which includes the brain, spinal cord and optic nerves..... The course of MS varies widely from person to person. Some people will only ever experience mild symptoms over their lifetime while others will have relapses followed by incomplete remission when disability may worsen in a stepwise with each relapse experienced. A number of people experience slowly progressive, worsening of disability over many months or years.....Consult Neurologist....