Answer
No. They should be swallowed whole so the prolonged-release mechanism is not disrupted.
Sources for this answer
- Detrusitol XL 4 mg Prolonged-release Capsules — 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.