just wanted to give a PS on our story with Tourette treatment for you too in case it may be helpful

My son has TS/OCD and more, was on meds (not abilify tho) and has been doing real well on a dietary modifcation/nutritional supplement/acupuncture etc type program which seems to be working better for him than the meds were.
He seems chemically hypersensitive and many artificial ingredients set of intense tics and OCD for him. The meds just had a *lot* of side effects. This other treatment method hasnt "cured" him as he does have genetic TS as does my husband, but it sure has helped reduce intensity, severity, and frequency and duration of his tics, especially those very big waxings he used to have, even on the meds.

hope you manage to work out the dose or additions etc to the abilify to help your son. I posted what I know on the abilify on the other thread on abilify for you.