Interactions With Benzodiazepines and Other CNS Depressants Inform patients and caregivers that potentially fatal additive effects could arise if acetaminophen and codeine phosphate tablets are used with benzodiazepines or other CNS depressants, like alcohol, rather than to implement these drugs concomitantly Except supervised by a healthcare service provider (see WARNINGS https://codeine.store/product/actavis-pill/