A side effect or antidepressants, and antipsychotics is dry mouth. Put a call into your Dr.
and ask him. When you have problems
swallowing, it can cause you to aspirate food or fluid into your lungs, and can be fatal. As an almost nurse people with this diagnoses are always on a thickened, soft (puree) diet, to prevent aspiration. It could be anxiety, or could be something more severe, so I would definitely ask your Dr.