I took ritulin for a bit (mind you, it wasn't my prescription-yeah, I'm a smart one, lol). I was EXTREMELY focused on what I was doing... to the point that people thought I might be on crack, lol. I don't know how it would do if I were actually prescribed it, as I'm sure that dose was way too high. But I do remember feeling a ton better, keeping myself very organized, making it to appointments on time, following strict schedules (and easily being able to write them up myself!), and it helped a lot with social stuff, lol.
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Sorry for the long post...
I'm my own guinea pig.