Relapses usually begin quickly. There are many different symptoms you can have, such as numbness, weakness, vision changes, poor balance, fatigue. This type begins as relapsing-remitting MS but, after a while, there is a period of stability between relapses. You may still have relapses but symptoms will progress or slowly get worse between relapses. Primary Progressive People with this type of MS never have a relapse.
Symptoms begin gradually and slowly worsen over time.
There may be stable periods. Between relapses symptoms are stable. Many people with MS have 1-2 relapses a year but your MS may be inactive for months or years. There is little disability after 15 years. Symptoms begin as in primary progressive, but later one or more relapses occur.