I'm very sensitive to stimulants... Adderall made me full-blown manic. (Hallucinations and all that fun stuff.) However, I'm also very sensitive to ADs and meds in general, so I'm not surprised that Adderall messed me up. So maybe consider how sensitive you are to meds?

I might try Vyvanse, though, at some point, as I think it's metabolized differently than other stimulants. Never tried Ritalin after my Adderall experience.