Laudanum Substances Act, for one example, lists it on Schedule II. Laudanum is known as a "whole opium" preparation since it historically contained all the opium alkaloids. Today, however, the drug is often processed to remove all or most of the noscapine (also called "narcotine") present as this is a strong emetic and does not add appreciably to the analgesic or anti-propulsive properties of opium; the resulting solution is called Denarcotized Tincture of Opium or Deodorized Tincture of Opium (DTO). Laudanum remains available by prescription in the United States and theoretically in the United Kingdom, although today the drug's therapeutic indications
Crude drug Crude drug Crude drugs are vegetable or animal drugs that contain natural substances that have undergone only the processes of collection and drying. The term natural substances refers to those substances found in nature that have not had man-made changes made in their molecular structure. They are used as medicine for human being and animal, internally and externally for curing disease, e.g., Senna and Cinchona. A crude drug is any naturally occurring, unrefined substance derived from organic or inorganic sources such as plant, animal, bacteria, organs or whole organisms intended for use in the diagnosis, cure, mitigation, treatment, or prevention