People with secondary progressive multiple sclerosis (SPMS) start out with another type of MS -- relapsing-remitting multiple sclerosis.
If you've been diagnosed with SPMS you may have had relapsing-remitting MS for a decade or more. That's when you may begin to feel a shift in your disease.
The changes are often not easy to recognize. But you may notice that your relapses may not seem to fully go away.
Most people with relapsing-remitting MS -- about 80% -- eventually get secondary progressive...