If you just have burning sensation and no pain or fever it is most likely non infective. So there is no role of antibiotics that you are taking . Burning in throat can be due to various causes, smoking is one of them.
Next Steps
So I would recommend that you try and quit smoking
Continue taking Pan D empty stomach every morning for next week. Try to bring in some lifestyle changes like:-
- avoid late night meals
- try to walk after meal and maintain a gap of atleast 1 -1.5 hrs between food intake and lying on bed
- increase your water intake
- avoid all sorts of spicy/ deep fried food/ excessive tea-coffee
Health Tips
Just bringing in these lifestyle changes may help you with your condition and hence dependence on medication.