This is easy.
Get some of this....
Gargle with it as deep in your throat (no homo) as you can for like 30 seconds. It will kill the inflammatory bacteria in your throat and about 5 mins after you're done, you will have no pain.
Unless you have strep. If you have strep, the infection is no longer topical (on the surface of the skin) and you need some antibiotics and a prayer.
Anyway, I discovered this back in 2008 and haven't had a sore throat since.