I am no expert, but have followed a lot of posts over the years. It could be that either the medication regime does not work for her, or she is overmedicated. As she is not that old, it could be one of her medications causing the confusion.
Adjusting meds for optimum benefit is hard, and takes time, and it does not always go smoothly. I would get back to the neuro and discuss this with him as early as possible, and in as much detail.

Best wishes
Lindy