After eating, what causes a feeling of thick saliva to come up my throat to my mouth?

Can be dryness.: This is a nonspecific finding that may be because of too little fluids, it may be due to salt in the food, or it may be due to a chemical called Atropine which produces, among other things, dry mouth. This is an anticholinergic used formany things, like gastrointestinal disorders (ulcerative colitis), bradycardia for resuscitation, to dilate pupils in eye exams and to treat insecticide poisoning.

Maybe reflux: Miriam6, you may be experiencing gastric reflux disease (gerd) where the muscle that's supposed to seal the top of your stomach may not be functioning correctly. Acid gets back up toward your mouth and your body may be producing extra saliva to counteract it. Or you may not be able to describe the feeling of acid where it doesn't belong so it feels like thick saliva. Talk to your primary doc.