Unfortunately, just because this therapist said she has experience with CRPS doesn't mean she knows how to treat it. And I don't think she does.

Physical therapy, especially out of the gate, runs a very fine line. Gotta get you moving, but can't aggravate the condition. Which contrast baths (unless lukewarm/cool which only "some" can tolerate and provide benefit to) can certainly do!

If it were me, I'd consider trying a different therapist. I had to use 3 of them before I found the one that was a complete "student of the game", understood CRPS and over time, gave me my foot back. With NO contrast baths! In fact, when I first started, it was the doctor that recommended contrast baths, but the physical therapist said NO.

Remember, it's your body. Don't feel guilty if you have to move on and try a few professionals before you find your "team". It's part of the game with CRPS.

Good luck to you!