Concerta is an upper and should only be taken by someone who is prescribed them.
Lexapro is characterized as an "upper" because it is for treatment of depression,...
Fluoxetine (trade name Prozac) is an antidepressant of the selective serotonin...
Lithium isn't an upper or a downer, its used to treat both mania and depression. !
Caffeine is an upper. It increases activity in the nervous system. !