Answer
They are designed to release alfuzosin gradually. Crushing, chewing or breaking them can cause inappropriate release and early adverse effects.
Sources for this answer
- Alfuzosin (Zochek) 10 mg Prolonged Release Tablets — Current selected SmPCemc · Summary of Product Characteristics
- Besavar XL 10mg Tablets — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.