In 2004 while on vacation I experienced PF so severe that I was sent to the infirmary at the Louvre. Upon returning home, several days later, I went to my GP to see what we could do.

Option 1--Stay off it as much as possible (fat chance!). Keep it elevated as much as possible, and roll my foot over a soda can to stretch the ligament. Prognosis: It may clear up in a couple of months. Bad idea.

Option 2--Wear a walking boot if I really need to be mobile. Otherwise keep it elevated as much as possible. Prognosis: It may clear up in a couple of months. Too long.

Option 3--Flood the plantar tendon (ligament) with cortisone by injection. Prognosis: Complete relief with a couple of hours. Sounds about right to me.

Well, I had the shot. It was so painful that I would have given atomic secrets to the Soviets had I known any; it was the longest short time of my life. By the time I go home--about 30 minutes later--the plantar pain was gone, and has not returned at all. I'd call it the best 15 seconds I ever invested in.