K.L.
Hi L.,
I too have noticed a siginificant change in my son's behavior after having red dye. One example was when my Mother in law brough over a small Elmo cake for him. We let him have a small piece after dinner which was covered in red frosting. It was almost immediate that he "turned" on us! We could not believe it. I have done my best to not let him have anything with red dye esp red frosting. He has no issues when eating other types of goodies so I know that is more than just sugar. Feel free to send me a private message if you want to talk more.
Good luck,
K.