Azol is a supplement and a replacement for the commonly known pain reliever, Codeine. The brand name "Azol" was derived from the Latin "azole" meaning herb. Azol is derived from two herbs that have been studied extensively and found to be effective in alleviating pain: Hyoscyamus Niger and Arsen Iod. Azol contains Codeine, niacin, hydrocodone, and other ingredients.What does Azol treat? Azol...