Thank you for your question.
I am Dr Saha, I shall try my best to help you.
The burning sensation can be due to a few possibilities.
There can be allergy, dermatitis.
Mild fungal infection can be present.
Other possibility can be nerve impingement, neuropathy.
I would suggest to take an examination by doctor.
You can apply hydrocortisone cream.
This can reduce the irritation, burning.
I hope this information helps.
If there’s anything else I can do, please let me know.
If you are satisfied, please rate my answer as good or excellent.