He got it about two weeks ago. He hates it because it makes his foot too stiff.
He has a lot of hardware in his ankle from multiple fractures, which makes it stiff anyway, and the brace adds to that, so he ended up not using it at all.

It was going to be temporary anyway and was designed to adjust for more and more flexibility. For him, the brace was something we looked into because something is pinched inside his foot when he bends it up. Immobilizing a limb, like what happens in a brace, is not typically a great thing to do for CRPS.

You got a lot of great advice on another thread. If you want one thing to start with, it's the pool. Swimming, kicking, walking, lunging, squats, steps, anything and everything that keeps it moving without much pain. We did a lot of "volleyball" in the pool using a beach ball, laps, walking, etc. So so sorry you're going through this. It's incredibly difficult on a mom's heart to watch a child suffer. Keep us posted on her progress.

Was there an injury that triggered it?