Interactions with Benzodiazepines and Other CNS Depressants Notify patients and caregivers that potentially lethal additive effects may arise if acetaminophen and codeine phosphate tablets are used with benzodiazepines or other CNS depressants, including alcohol, and not to employ these drugs concomitantly unless supervised by a healthcare provider (see WARNINGS and https://a-listdirectory.com/listings13194097/everything-about-codeine-expectorant