mucous smell in breath help

hey guys,I have always had sinus problems and have this horrible mucus odor in my mouth! aghh it gets me sick my breath smells horrible, my husband says it doesnt smell as bad as I think, but still the mucus smell is terrible, and I dont have a sinus infection at this time, anyway only Antibiotics take the smell away and as soon as I finish them it comes back worse! aghh this is a problem I have lived with for years I dont know what to do, this musus breath is driving me crazy, I do think I smell it more than other since its basically in my nose, I breathe through my nose and i coudl smell it reek!!! Help let me know what I shoudl do Thanks
BY THE WAY I WILL START A parasite CLEANSE WHAT OTHER CLEANSES SHOULD I DO PLEASE ADVISE SINCE I AM NEW TO THIS THANKS EVERYONE