Interactions With Benzodiazepines and Other CNS Depressants Advise patients and caregivers that potentially lethal additive effects may take place if acetaminophen and codeine phosphate tablets are used with benzodiazepines or other CNS depressants, like alcohol, rather than to work with these drugs concomitantly Until supervised by a healthcare company (see https://codeine.store/codeine-in-upper-normandy/