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
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
Adam Husney, MD - Family Medicine & Anne C. Poinier, MD - Internal Medicine & Barrie J. Hurwitz, MD - Neurology
How this information was developed to help you make better health decisions.