I've never had any problems with adhd or add so the only thing I can say is that you should ask your pdoc about it. I'm having the opposite problem actually; something I
am diagnosed with I think is incorrect.
I do understand why you would be nervous about adding a new "label" to what you already have, but the problem is still there and you have to deal with it whether it is labeled or not. At least if they diagnose it then they will be able to treat it.
Best of luck!!
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From the movie The Hours: "If I were thinking clearly, Leonard, I would tell you that I wrestle alone in the dark, in the deep dark, and that only I can know. Only I can understand my condition. You live with the threat, you tell me you live with the threat of my extinction. Leonard, I live with it too."