 Elevated serum blood glucose is a common and well-defined consequence of steroid administration, attributed to steroid-related reductions in insulin sensitivity. Individuals with pre-treatment insulin resistance e.g. diabetics will exhibit an amplified hyperglycemic response. Reduced mobility, sedentary lifestyle, and repeated exposure to steroids- all of which are common in MS - are recognized risk factors for insulin resistance. These factors may make MS patients particularly susceptible to steroid-induced hyperglycemia. While, MS patients commonly receive intravenous steroids, the clinical impact of any associated hyperglycemia is unknown. 