Answer
Do not drive if it causes sleepiness, dizziness, blurred vision, poor concentration or impaired judgement. UK law does not permit driving when the medicine makes you unfit to drive.
Sources for this answer
- Relevtec 35 microgram/hour transdermal patch — Current selected SmPCemc · Summary of Product Characteristics
- Buvidal 8 mg prolonged-release solution for injection — Current selected SmPCemc · Summary of Product Characteristics