Tag Archives: does benylin contain codeine

What Is Opium? Opium is a naturally occurring substance produced from the dried latex of the opium poppy, Papaver somniferum. It contains several naturally occurring alkaloids, including morphine, codeine, thebaine, papaverine, and noscapine. Morphine is the principal opioid alkaloid in the plant-derived material and is responsible for much of its pain-relieving and sedating activity. The […]