i suffered from bi lateral plantar fasciatis for many years. At first the doctor sent me anti inflammatory pills and some therapy. That didn't work, then I was given shots and they seemed to work for about three days. It felt like I was walking on clouds. After the shot wore off I was back to point one. Podiatrist ended up having surgery on both my feet. The Plantar Fasciatis surgery was not painful but because it was both my feet it was extremely hard to get around, needed a wheelchair for about two months. I saw a very slow procedure in healing. I needed to ice my feet every time I had walked on them for ten minutes. The ice and ice water were the only thing that truly alleviated the pain and keeping my felt elevated for a long time as well. It took at least eight years for my feet to come back to some normal activity. Of course, no more cute heels. Simply ortho shoes and some comfort shoes in these last two years that have served their purpose when I have had to dress up. If all else fails, you can go to a pain maintenance doctor. There is where I learned that the reason tI wasn't healing quickly enough is because I also had Reflective Sympathetic Distrophy that had been aggrevated by the surgery, I had to receive back blocks and several other procedures to try and relieve the overwhelming pain. Eventually the specialist wanted to have a surgery that would burn the nerve endings in my body with some kind of acid. I asked what was the percentage, he said 50/50, then I asked what are the risks ... too many serious risks to even consider having the surgery.
So the best advice I can give you, do not use any shoes other than comfort or orthopedic shoes for a long time. Ice your feet, that will help with the swelling, try and get a prescription drug from your doctor called Neurontin, this will deaden the nerve endings and will help you cope with the pain. Other than that, pray, pray, and pray some more.
God bless you immensely as you start your journey to healing.