What Are the Different Forms of Multiple Sclerosis?

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One is the most common form is relapsing remitting in which there are symptoms which you get that remit even without treatment, but with treatment can go away sooner and then over time eventually, without treatment, they can evolve into a steady progressive downhill course which is secondary progressive.

That affects about 85% of patients. 15% of patients will have just a slowly progressive deterioration and that we call primary progressive MS.