Interactions with Benzodiazepines and Other CNS Depressants Notify patients and caregivers that potentially deadly additive effects may possibly occur if acetaminophen and codeine phosphate tablets are used with benzodiazepines or other CNS depressants, including alcohol, and never to utilize these drugs concomitantly Until supervised by a healthcare provider (see WARNINGS https://directoryhand.com/listings13181865/the-ultimate-guide-to-codeine-zentiva