I can’t speak for everyone, but I developed PF and went to a few doctors who were more than willing to prescribe me drugs. However, the way I cured it was to sleep with a foot brace that held my ankle at a perfect 90 degree angle. I was also very careful not to fall asleep in a chair with my feet up where my foot could fall with my toes at a forward tilt. After a week, I was back to normal.
Ah-ha! I had a suspicion that falling asleep in a recliner with my toes tilted forward was aggravating my PF.
By the way, did you use an off-the-shelf brace to hold your foot while sleeping? And it wasn’t