Laudanum Extract of Opium, 10 grains, "Make 20 pills. Take one pill every three or four hours." The early 20th century brought increased regulation of all manner of narcotics, including laudanum, as the addictive properties of opium became more widely understood, and "patent medicines came under fire, largely because of their mysterious compositions". In the US, the Food and Drug Act of 1906 required that certain specified drugs, including alcohol, cocaine, heroin, morphine, and cannabis, be accurately labeled with contents and dosage. Previously many drugs had been sold as patent medicines with secret ingredients or misleading labels. Cocaine, heroin, cannabis, and
Drug Houses of Australia Drug Houses of Australia Drug Houses of Australia (DHA) was originally established in 1936 as an amalgamation of seven Australian pharmaceutical companies, notably A. M. Bickford & Sons. In 1970, DHA was taken over by the British bank Slater Walker. Drug Houses of Australia is now a leading generic pharmaceutics and Chinese proprietary medicine (CPM) manufacturer based in Jurong, Singapore. It was sold to Strides Arcolab through a share purchase agreement with Haw Par Healthcare Limited, Singapore in September 2006 for approximately SGD$19.7 million. It is currently a part of Strides Arcolab which is listed on both the Indian stock