Thank you for your question.
I am Dr Saha, I shall try my best to help you.
I would suggest to get an examination by doctor & inform your surgeon.
Cold or upper respiratory infection, if gets prolonged can cause problem with anesthesia.
You need to get it treated.
Till you see doctor please try to keep good hydration.
If you have sore throat,cough, you can do warm salt water gargling.
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.