See my post in Adjunctive Therapy .

Another option (recommended by my ENT), if you have any remaining salivary function is use of the OTC drug, Mucinex 1200. It works by thinning secretions, and can actually improve mouth moisture. NOTE: This is a large pill, so if you have swallow problems, it may not be for you.

Stage 3 SCC survivor, left tonsil primary (T2 N1 M0)