Hi pete i had the same thing with the mucous it would make me heave too my ENT gave me some veramyst spray it works really well it cleared mine up might be worth a try?

debz

Age 40 Diagnosed with stage 4 SCC tongue, sept 07 started 35 radiation treatments and 3 chemo Had my first follow up PET - got the all clear 17th April 2008.
26th Had my PEG tube removed...eating almost everything. Was hard but learned to eat without saliva, it's so good to chew and swallow food!