Saltwater and baking soda solution was recomended by my Doc to help reduce the sticky saliva. I don't recall exactly how long mine lasted but it was 2-3 months so you should see improvement shortly.
SCC R-Tonsil T2 NO MO Dec 2003. Completed IMRT Radiation only to tonsils(72Gy) and neck(55Gy)March 04. Detected at age 50.