Hello @deenie07, welcome to Mayo Clinic Connect. I have no medical training or background but the pain may be caused by nerve damage or compression of a nerve near the ankle. I think it would be good to discuss it with your foot doctor at your upcoming appointment. Have you had an injury to the ankle?

The Arthritis Foundation has some information on treating ankle pain that might be helpful.
-- https://www.arthritis.org/about-arthritis/where-it-hurts/ankle-pain/treatment/

You mentioned it felt better after a couple of weeks of taking anti-inflammatory medication but then got worse. Is your ankle still swollen or was it swollen?