By Mariano Glenn What Is Codeine? Codeine is an opiate drug accustomed to treat moderate to severe pain, to alleviate cough, and often to treat diarrhea. It's commonly recommended for merely a short time. If you're having codeine, it's very important that you simply completely follow the prescription order of your doctor and ensure that no one else takes it. Ensure that it stays inside a secure place where anyone can have...