Codeine is an opiate and prodrug of morphine mainly used to treat pain, coughing, and diarrhea. It is commonly used as a recreational drug. 2024 Codeine is an opioid medicine used to relieve mild pain and suppress a dry cough. Find out how codeine works and about possible side effects. Codeine may be habit forming. Take codeine exactly as directed. Do not take more or less of it, take it more often, stop taking it suddenly, … What is Codeine? Codeine is a painkiller. It belongs to a group of medications known as narcotic analgesics. It\’s typically used to provide mild … It belongs to a class of medications known as opioid analgesics and is often prescribed for the relief of mild to moderate pain and for the … What is Codeine? Codeine is an opioid. Opioids are drugs that act on the opioid receptors in the brain, they include both natural and … Article at a Glance: Codeine and oxycodone are both opioids. Codeine is derived from morphine, while oxycodone is not. Both drugs are often prescribed as … Codeine, known pharmaceutically as 3-methylmorphine, is a painkiller that is usually used to treat short-term pain.