Xerostomia questionnaire
| No. | The xerostomia questionnaire (XQ) |
| 1 | Rate your difficulty in talking due to dryness |
| 2 | Rate your difficulty in chewing due to dryness |
| 3 | Rate your difficulty in swallowing solid food due to dryness |
| 4 | Rate the frequency of your sleeping problems due to dryness |
| 5 | Rate your mouth or throat dryness when eating food |
| 6 | Rate your mouth or throat dryness while not eating |
| 7 | Rate the frequency of sipping liquids to aid swallowing food |
| 8 | Rate the frequency of sipping liquids for oral comfort when not eating |