So what's the actual difference between CIS and RRMS

Health & Wellness Multiple Sclerosis
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my neuro diagnosed me with CIS after my first relapse (optic neuritis + some brain lesions on the MRI, gadolinium lit them up). i thought he was saying i didn’t have MS yet, just a warning sign? but then people in forums kept talking about their RRMS like it was completely different and i realized nobody had actually explained the distinction. turns out CIS means clinically isolated syndrome, you had ONE symptomatic event with imaging to back it up, but doctors don’t yet know if you’ll get another one.

RRMS is the diagnosis after the pattern shows up, like when you’ve had multiple relapses with actual recovery in between. the key thing: they’re different in what they predict about your disease, not just what you’ve already had. what got me, i spent months thinking CIS meant milder or maybe you won’t progress. but the data shows some people with CIS never get a second event, and others transition to RRMS within a year or two.

if you’re on a DMT, you’re already trying to stop that transition. it’s not about being safer, it’s about uncertainty. your neuro doesn’t know your personal outcome yet. did anyone else get told CIS but not get the actual meaning behind it?

like, did your diagnosis shift when they reclassified you?

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Freshly diagnosed folks often misunderstand CIS, as you said “CIS meant milder or maybe you won’t progress”, but that’s not necessarily true, my own neuro experience was similar.

ymmv.

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Freshly diagnosed individuals often face a steep learning curve, and it sounds like you’re working through that right now. When you mentioned “CIS meant milder or maybe you won’t progress”, it struck a chord bc I’ve seen similar misconceptions in my own support groups.

What I’ve found helpful is focusing on the uncertainty aspect, rather than trying to pinpoint a specific outcome. For instance, some people with CIS may experience a longer period before transitioning to RRMS, while others may have a more rapid progression.

It’s almost as if we’re all trying to read the tea leaves, isn’t it?

1 Like
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same uncertainty about CIS vs RRMS diagnosis someone posted about this on multiple sclerosis the forum too

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Never thought CIS meant uncertainty not mildness, “it’s about uncertainty”