Alcohol, aspirin, and alosetron are a few of the drugs that can potentially interact with Luvox. Drug interactions with Luvox can raise the levels of some drugs in your blood and increase your risk of side effects, among other things. Luvox drug interactions can also cause a group of symptoms called serotonin syndrome, which can be very dangerous. Symptoms of serotonin syndrome can include confusion, hallucinations, and difficulty walking.