Answer
It can cause temporary sleepiness, especially with benzodiazepines or other sedating medicines. Do not drive or operate machinery if alertness is impaired.
Sources for this answer
- Syonell 250 mg Gastro-Resistant 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.