Diagnosis — MS Glossary
Terms you hear during the diagnosis process
C
Clinically Isolated Syndrome (CIS)
Clinically isolated syndrome is a first episode of neurological symptoms that lasts at least 24 hours and looks a lot like MS. It might be o...
M
McDonald Criteria
The McDonald Criteria is the checklist doctors use to decide if a person has MS. It combines symptoms, MRI findings, and sometimes spinal fl...
Multiple Sclerosis
Multiple sclerosis (MS) is a condition where the immune system mistakenly attacks the protective coating around nerves in the brain and spin...
P
Primary Progressive MS (PPMS)
Primary progressive MS is a form of MS where symptoms gradually build from the very beginning, without the clear relapses and remissions see...
R
Relapsing-Remitting MS (RRMS)
Relapsing-remitting MS is the most common form of MS. People with RRMS have flare-ups of new or worsening symptoms (relapses) followed by pe...
S
Secondary Progressive MS (SPMS)
Secondary progressive MS is a phase some people move into after years of relapsing-remitting MS. In SPMS, symptoms gradually build up over t...
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Not medical advice. Always consult your care team.