When I complained to my neurologist, he prescribed a cream which has to be compounded by a lab. I don't know what the actual name is, but on the tube it says, "keto/gaba/amit/lido 5/2/2 15%. All I know is the stuff works. Whenever I do too much walking, or even standing for long periods, I too have that burning, or the feeling of being spanked with a board too. Using this cream does relieve the pain. Applied an hour before going to bed, and there is no pain by bedtime. I do, however, sometimes have pain when waking. Putting me feet on the floor, there is a soreness that shows up that feels like overworked muscles. It goes away after a few minutes of walking around. Course, I have two layers of Dr. Scholls padding in my slippers. Can't walk in just normal cushioning.
Hope you find something that works for you. Good luck.