Interferons are a group of immune system proteins -- alpha, beta, and gamma -- produced by the body. They act in different ways to control the activity of the immune system. They also have antiviral properties. (Remember that another theory regarding relapses in people who already have MS is that they may be triggered by viruses.) So far, experts have found that interferon beta is effective in treating multiple sclerosis (MS).
People with secondary progressive multiple sclerosis (SPMS) start out with another type of MS -- relapsing-remitting multiple sclerosis.
If you've been diagnosed with secondary progressive MS you may have had relapsing-remitting MS for a decade or more. That's when you may begin to experience a shift in your disease.
The changes are often difficult to recognize. But you may notice that relapses may not seem to fully go away.
Most people with relapsing-remitting MS -- about 80% -- eventually develop...