Curiosity about codeine can lead to copious information, so first it?s good to focus on the basics. Codeine is a prescription opioid/narcotic analgesic [2] that?s typically used to reduce coughing or to relieve mild to moderate pain by acting on the central nervous system (CNS, more on this later). That said, it?s good to be aware of potential risks associated with taking this medication. Codei...