Feet sole pain. This extreme pain.

I was walking barefoot in my house...the trmperature were extreme cold here...did not wear socs as well...Since a month , both my feet sole started itching, i applied moisturizer , calamine lotion , took cetrizine but it didnt affect much. So visited a doctor. She prescribed (Terbinafine Hydrochloride solution 1% ) cream. I did not not any other symptom , rash except itching. After applying this cream skin started burning. So applied for 2 - 3 days and stopped, but burning continued. Its been 7 days now both feet soles are paining one to the dxtent I cant stand. Its paining in resting position as well. I am taking crocin but not much effect. Attaching photoes for ref Also blood tests done. No diabetes, thyroid , liver abnormalities. Whats causing this extreme pain...