The invention provides methods of treating binge eating disorders, obesity resulting from binge eating behavior, and depression. The invention includes methods of treating certain co-morbidities in ADHD and ADD patients; for example the invention includes methods of treating generalized anxiety disorder, obsessional and ruminative thought disorders, and obsessive/compulsive behavior in ADHD and ADD patients. The invention also includes combination methods of treatment in which an amphetamine prodrug, methylphenidate prodrug, or methylphenidate analog is administered with one or more other active agents. Packaged pharmaceutical compositions containing an amphetamine or methylphenidate prodrug, instructions for using the prodrug to treat certain disorders, and optionally one or more other active agents are provided by the invention.