Controlled Drug in the United Kingdom classification of medicines. Special responsibilities are placed upon pharmaceutical wholesalers, pharmacies and doctors in the stocking, distribution, issuing of prescriptions, supply and disposal of items listed under the first three of the schedules. The regulations have been further tightened since Dr Harold Shipman used diamorphine to murder hundreds of his patients during the late 20th century. Drugs which are not used medically, and thus their possession and supply is prohibited; e.g. cannabis and LSD except when licensed by the Home Office to carry out research. Substances subject to the full controlled drug requirements; e.g. diamorphine (heroin), pethidine, cocaine, methadone, methylphenidate,
Bayer type of progestin hormone called drospirenone in combination with estrogen. Yaz is advertised as a treatment for premenstrual dysphoric disorder (PMDD) and moderate acne. Other key products include the cancer drug Nexavar, the multiple sclerosis drug betaferon/betaseron and the blood-clotting drug, Kogenate. In May 2014 it was announced that Bayer would buy Merck & Co's consumer health care unit for $14.2 billion. Bayer also controls Dihon Pharmaceutical Group Co., Ltd in China. The Pharmaceuticals Division focuses on prescription products, especially for women’s healthcare and cardiology, and also on specialty therapeutics in the areas of oncology, hematology and ophthalmology. The division