Answer
Routine rinsing is not required solely because of tiotropium, although good oral hygiene is important if dry mouth develops.
Sources for this answer
- Spiriva Respimat 2.5 microgram, inhalation solution — 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.