Where did you get it generic and cheaply from? My primary won't prescribe it.
https://www.benbellabooks.com/shop/the-cure-for-alcoholism-s...
There is a chapter in this book "for the physician."
If you have brought this to your physician, and you are still refused, get a new physician. Request all your records, and depart.
GoodRX will let you price compare. Most sources are under $2 per pill.