Dexamfetamine, and related drugs such as ecstasy, may reduce the deleterious effects of
alcohol on driving skills, although reports are conflicting. Tests with metamfeta- mine suggest that it increases the feeling of intoxication caused by
alcohol.
Alcohol may increase the cardiac adverse effects of
amfetamines.
The effects of this interaction are not clear, but as some psychomotor impairment occurs warn all patients of the potential effects, and counsel against driving or undertaking other skilled tasks.