Answer
Tolcapone with levodopa can cause marked drowsiness or sudden sleep. Anyone experiencing these effects must not drive or operate machinery until they have resolved and treatment has been reviewed.
Sources for this answer
- Tasmar 100 mg film-coated tablets — 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.