Answer
Yes. Persistent dryness should be discussed with a pharmacist or doctor because it can contribute to tooth decay.
Sources for this answer
- Tiotropium (Braltus) 10mcg Inhalation Powder — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.