Codeine Acetaminophen 300-30 mg is a combination medication that contains 300 mg of acetaminophen (paracetamol) and 30 mg of codeine phosphate. It is commonly prescribed for the relief of moderate to moderately severe pain when other non-opioid pain relievers are not effective. Acetaminophen works by reducing the production of prostaglandins, which are chemicals in the body that cause... https://mayomeds.com/pain-relief/codeine-acetaminophen-300-30-mg/