When dd was on Focalin LA (the extended release stuff)she did have the rebound anxiety/crankiness, which we circumvented (mostly) with a small dose of short acting Focalin. Sort of a tapering off effect, IOW. FWIW, if you do need to consider a different stimulant at some point in the future, Focalin tends to cause overall fewer adverse side effects because of the way it's manufactured.
Also, I'll heartily second DeeDee's comments about specialists vs. generalists. Many pediatricians insist on referring out to specialists for behavioral medicine issues. I wish they all did.
