I am NO kind of expert, but the current DSM-IV does not allow for a diagnosis of ADHD before age 7. I personally would not medicate unless she was having some serious behavioral or learning problems.

When my son first started having problems we started by adjusting his diet: minimizing sugar, eliminating red and yellow food coloring and signing him up for soccer (extra exercise). Omega 3 supplements can also be helpful.

Good luck.

~amy