Untreated or undertreated hypothyroidism wreaks havoc on your body, and gives you problems you didn't have before. Make sure to get Free
T3 and Free
T4 tested, as well as thyroid antibodies, and ANAs. Testing the adrenals doesn't hurt, either.
I wish I was diagnosed at a young age......would have saved me tons of grief, money, as well as personal, physical, and professional loss. By the way, ADD symptoms are symptoms of hypothyroidism...