This mix medication is accustomed to support alleviate mild to moderate pain. It contains an opioid pain reliever (codeine) and a non-opioid pain reliever (acetaminophen). Codeine is effective while in the brain to alter how your body feels and responds to pain. Acetaminophen may also cut down a fever. See https://wockusa.com/product/quagen-promethazine-hcl-and-codeine-phosphate-oral-solution/