The FDA is requiring updates to the Boxed Warning and other information to ensure the prescribing information is made consistent across the entire class of these medicines to address continuing concerns of misuse, abuse, addiction, and overdose of prescription stimulants.

http://www.fda.gov/safety/medical-product-safety-information/fda-updating-warnings-improve-safe-use-prescription-stimulants-used-treat-adhd-and-other-conditions