I'll add my 2 cents:
For years I use to be a big proponent of the honey/lemon tea until I discovered the drink that always seems to work, for me (and my family/friends).
Peppermint Tea.
No sugar, milk, lemon, or honey. It's different if you're not use to it, but ....
There is no better drink for a sore throat! IMO.
Peppermint Tea.