Comorbidity Burden, Polypharmacy and Xerostomia Severity in Institutionalized Older Adults.

Researchers examined 90 institutionalised older adults and found that the number of medication classes used was more strongly associated with dry mouth severity than disease burden alone, with medication class count explaining additional variance in symptoms.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.