Off-Label Drug Use: What You Need to Know

You will need to study up on this if you want to insist on some of the items I pointed out here:
What I am going to insist I get after my next stroke
Botox is a good example. It was not approved for stroke spasticity until 2010, but even then only for arm/wrist/hand.  In 2006 I had it for leg and toe muscles also and was never told it was an off-label use.

http://www.webmd.com/a-to-z-guides/features/off-label-drug-use-what-you-need-to-know