Trezix

List of products in the National Drug Code with proprietary name trezix. See also Warning section. This combination medication is used to help relieve moderate to severe pain. It contains an opioid pain reliever (dihydrocodeine), a non-opioid pain reliever (acetaminophen), and caffeine. Dihydrocodeine works in the brain to change how your body feels and responds to pain. Acetaminophen can also reduce a fever. Caffeine increases pain relief, especially for certain types of headaches.