Lots of great thoughts to consider in the management of this patient. One thing for us to keep in mind for our patients with dry mouth is that many of the OTC dry mouth remedies contain xylitol. I recently had a patient on immunotherapy who developed dry mouth and began using ACT Dry Mouth Lozenges. She presented to clinic with abdominal bloating and diarrhea and we were concerned that she had developed colitis. Work up was negative and ultimately we realized that her symptoms were secondary to the xylitol in the dry mouth lozenges. We have now prescribed PreviDent 5000 for Dry Mouth (toothpaste) and she has had improvement in dry mouth and resolution of abdominal bloating and diarrhea.