Answer
Avoid both. Grapefruit may increase lurasidone exposure, while alcohol may worsen central nervous system effects such as sleepiness or impaired judgement.
Sources for this answer
- Lurasidone 18.5 mg film-coated 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.