The web browser you are using will no longer be supported by Cigna.com. To continue accessing the site without interruption, please upgrade your browser to the most recent version.
Secondary progressive multiple sclerosis

Secondary progressive multiple sclerosis

Secondary progressive multiple sclerosis

Secondary progressive multiple sclerosis (MS) is a form of MS in which symptoms are constant, do not improve, and may get increasingly worse. This is a result of steady damage to the nerves in the brain and the spinal cord.

The secondary progressive form of MS follows a phase known as relapsing-remitting MS, in which symptoms repeatedly appear or get worse, then improve. This cycle can repeat for many years before secondary progressive MS develops.