Sorry to hear about your leg pain. I hope someone here has some ideas because I'm experiencing the same with my right leg. This isn't new.....and I suspect it's the cool weather and/or barometric pressure changes causing it.....but it seems like it's always throbbing.

Does your leg ever just give out from under you? Mine has been doing this quite frequently and this is a new thing. I can be walking along and it just gives out. No warning.....nothing. Just like it decides to quit. Strange and a little scary.