Once again:
Xenazine is the US trade name for Tetrabenazine. It’s an out of patent drug, developed more than fifty years ago.
In Australia, it was $38.80 per 112 pill bottle for me (a two-month supply). Were I on any sort of government support, it’d be $6.30/bottle. The government pays the drug company $338.60/bottle.
In the USA:

