Here's an article on Welbutrin and it's use in treating ADD/ADHD. I was on it for a while, until it quit working - not for ADD, though.
He can certainly respond for himself if I'm wrong, but, I think OT is trying to get you to write down what you bring to the table yourself - so to speak - in the R. Both good and bad. The attribute of you that are what you've identified that are detrimental to the R as well as the good ones; and to not focus on the flaws of your H.