Answer
The selected product information advises avoiding alcohol because it can worsen unpredictable central nervous system effects.
Sources for this answer
- Amfexa / Dexamfetamine Sulfate Medice 20mg Tablets — Current selected SmPCemc · Summary of Product Characteristics
- Dexamfetamine Sulfate 1 mg/ ml Oral Solution — 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.