wow, what a challenging combination you have! GAD, ADHD & Giftedness.....!

I don't have a child of my own in that situation, but I have worked with lots of kids who have taken medication and those that have not....I am not pro meds, nor am I anti meds.... but honestly, those who are on medication who are in stable home environments to seem to get some benefit from it... I also see children who I wonder if the parents just gave it a chance, would see a big difference in their child's ability to concentrate and focus.... and then others, who the medication made the child seem like a different kid...

mostly I suggest to parents that it might not hurt to give it a try... if there is not perceivable benefits after six months, then you can decide whether to give it up.... if there are bad side effects then you know it's not for him...

He may really appreciate being able to focus... or he may hate the feeling of being 'locked in' (if that's what it does to him...remember everyone is different, and you won't know unless you try it).

in the meantime, I would also suggest making sure the gifted side is supported adequately - if he is suitably challenged in the classroom and at home he may be more focused as well! Get him involved in extra programs for gifted children - The CHIP foundation, MENSA etc....that way he can be associating with other bright children and can feel more similar to his peers (if he can pay attention long enough )

good luck!!!