Thanks for the query.
I understand your concern.
Burning sensation in the feet can be seen due to causes like deficiency of hormones like Vitamin B12 and B6, infection or inflammation of the foot, diabetic neuropathy etc.
By clinical examination and investigations like estimating the vitamin levels, GTT etc the possible cause of the problem can be identified and treated.
As your fasting blood sugar level is a little bit high, better to go for glucose tolerance test(GTT) to diagnose the possibility of diabetes mellitus.
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