Multiple sclerosis update.

Multiple sclerosis (MS) is the most common central nervous system disease among young adults and the third leading cause of disability in the United States. It is estimated that 400,000 Americans have this disorder of the brain and spinal cord, which causes disruption in the smooth flow of electrical messages from the brain to nerves throughout the body. The clinical manifestations vary more in MS than any other neurologic disease. Because of the complexity of MS, a collaborative approach to care of these clients and their family is ideal. This article provides an update on the diagnosis, pharmacologic management, and collaborative care for patients and families.