My 14 yr old son was just put on Adderall XR for ADD - inattentive type. His pediatrician indicates dosage is purely by weight -- I'm researching and questioning this. Son weighs 180 lbs and dr recommending 2-30 mg capsules once per day. That's 60 mg. It seems like alot to me in comparison to what I've read. I will be speaking with dr tomorrow, but am asking for any feedback/experience anyone may have. THANK YOU! THANK YOU! THANK YOU!