Getting meds during holiday break works, after the fall, but then Jan. through May or so is a much longer stretch. Can she get 6 months at a time?
What is the insurance situation? Many plans for international study won’t cover preexisting conditions and some won’ t take anyone with a preexisting condition at all. Many also limit “neurological” or psychological issues. Try calling Square Mouth (find it online) for help with at least finding travel insurance that covers unexpected events.
Or is the school offering a plan?