Should I be worried about my cough after wisdom teeth removal?

I got my wisdom teeth taken out on Tuesday and it is now Sunday. I had a wet cough prior to the surgery but it was almost ending. After the surgery, my cough seemed to have gotten worse and it is still wet. I have no other symptoms only a cough. Is this something I should be worried about? I accidentally blew my nose VERY lightly although my surgeon did not tell me to be mindful of blowing my nose. Please help. I am very nervous.

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