Table 1. Categories of MS .
| Categories | Short Description |
| Relapsing-remitting MS (RRMS) | Most common form is characterized by relapses and remissions. |
| Secondary progressive MS (SPMS) | Seen in RR type of MS where with time the relapses decrease in number but the disease progresses. |
| Primary progressive MS (PPMS) | Progressive worsening of neurological symptoms from the beginning. |
| Progressive relapsing MS (PRMS) | Rarest form characterized by gradual aggravation, occasional recurrence and continuous progression between relapses. |