Another worry with OTC cough syrup that is more dangerous with psychiatric medications is DXM or dextromethorphan. It is a cough control medication that in high doses is a potent psychedelic. It is extremely popular with both kids and adults.
The danger with DXM and psychiatric medications is Serotonin Syndrome, as both many psychiatric medications and DXM act on serotonin production and receptors in the brain. An overage of Serotonin can cause a variety of sx and can be lethal.
Google for more info.
As regards restrictions, try replacing what you've taken away with healthy activities that she enjoys. School should be out or almost out. If you can afford it, look into short-term day camps devoted to various subjects. Not school stuff, but perhaps horses, or art, or computers. Who knows, she may find an interest she didn't know she had.
If time allows, spend time with her doing fun things. Go to the library with her, take out the same books, read them at the same time and discuss them.
My mother and I used to do this when I was a child and we had a blast doing so. Gave me a great perspective on adult thinking, etc, AND gave my mother a child's perspective.
