I have a deviated septum and my nose doesn't drain properly so when I get stuffy and congested and I do start to drain I will get terribly sore up north in my throat...and I also get this thing sometimes where when I breathe in it BURNS/STINGS LIKE HOLY SHITE. Capslock for emphasis.
Try using a neti-pot to help clear out your sinuses? Maybe that will help if it is nasal dranage causing irritation.

I have a slight sore throat too but its lower, think it may be a bug I caught. I seem to get ill when its that time of month..(which makes it worse..but at least it happens all at once..?) Anyway, a nice strepsil cool handled that.

I hope you feel better! /hugs!