And for the healthy throat.

As before cold season fill in your drug store home with anti inflammations are with chamomile and sage.
Always keep are drops against aches.
Avoid smoking.
And do not load voice.
As visit a work,first of wall wash hands and wash nose, mouth, return at home to repeat procedure.
A limiting at ration irritated meal are of spicy, salted, fat,fried.
Clean home with cleaners and moisturizers.
Regular clean home and on your work place.
Use hypoallergenic items for cleaning, laundry.
As pharyngitis or etc throat diseases are tied with bad metabolism, thyroid work destroyed,thus regular check blood tests for the control organism condition.

As hypo allergy items.