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Phenacetin
Phenacetin (acetophenetidin, ''N''-(4-ethoxyphenyl)acetamide) is a pain-relieving and fever-reducing drug, which was widely used following its introduction in 1887. It was withdrawn from medicinal use as dangerous from the 1970s (e.g., withdrawn in Canada in 1973, and by the U.S. Food and Drug Administration in 1983). History Phenacetin was introduced in 1887 in Elberfeld, Germany by German company Bayer, and was used principally as an analgesic; it was one of the first synthetic fever reducers to go on the market. It is also known historically to be one of the first non-opioid analgesics without anti-inflammatory properties. Although paracetamol was produced earlier, a historical accident saw it ignored after Joseph von Mering's assessment. Prior to World War One, Britain imported phenacetin from Germany. During the war, a team including Jocelyn Field Thorpe and Martha Annie Whiteley developed a synthesis in Britain. Known mechanism of action Phenacetin's analgesic effects ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vincent's APC
Vincent Chemical Company was an Australian business noted for manufacture of a popular compound analgesic "Vincent's APC" History Dr. Harry John Clayton (ca.1887 – 31 October 1928) of Macquarie Street and medical superintendent of the Royal Prince Alfred Hospital, Sydney, took the headache remedy then in general use, composed of phenacetin and caffeine, and by experimenting with the addition of aspirin, arrived at what became the standard formulation known as A.P.C. powder, or in the Royal Prince Alfred Hospital Pharmacopæia for 1918 as ''Pulvis Analgesicus''. In 1919, at the insistence of his wife, Clayton founded a partnership consisting of Mrs Clayton, E. W. Wills, C. K. Probert (dispenser at the Royal Prince Alfred Hospital), and J. A. Vincent (1890 – 12 June 1933), who had been assistant dispenser at the hospital, and was at that time a pharmacist with a business at Five Dock. Clayton chose the names "Vincent Chemical Company" and "Vincent's APC" to distance himself, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Analgesic
An analgesic drug, also called simply an analgesic (American English), analgaesic (British English), pain reliever, or painkiller, is any member of the group of drugs used to achieve relief from pain (that is, analgesia or pain management). It is typically used to induce cooperation with a medical procedure. Analgesics are conceptually distinct from anesthetics, which temporarily reduce, and in some instances eliminate, sensation, although analgesia and anesthesia are neurophysiologically overlapping and thus various drugs have both analgesic and anesthetic effects. Analgesic choice is also determined by the type of pain: For neuropathic pain, traditional analgesics are less effective, and there is often benefit from classes of drugs that are not normally considered analgesics, such as tricyclic antidepressants and anticonvulsants. Various analgesics, such as many NSAIDs, are available over the counter in most countries, whereas various others are prescription drugs owing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Martha Annie Whiteley
Martha Annie Whiteley, (11 November 1866 – 24 May 1956) was an English chemist and mathematician. She was instrumental in advocating for women's entry into the Chemical Society, and was best known for her dedication to advancing women's equality in the field of chemistry. She is identified as one of the Royal Society of Chemistry's 175 Faces of Chemistry. Biography Whiteley was born on 11 November 1866, in Chelsea, London, England, to her father, William Sedgewick Whiteley and mother, Hannah Bargh. Her mother died in the 1870s, after which her father remarried Mary Bargh Turner Clark in 1880. Education Whiteley began her education at Kensington High School, London, a Girls Public Day School Trust school. The Girls' Public Day School Trust provided affordable day school education for girls. She continued her education as one of the first 28 students at Royal Holloway College for Women (London), where she graduated in 1890 with a B.Sc. in chemistry from the Universit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paracetamol
Paracetamol, also known as acetaminophen, is a medication used to treat fever and mild to moderate pain. Common brand names include Tylenol and Panadol. At a standard dose, paracetamol only slightly decreases body temperature; it is inferior to ibuprofen in that respect, and the benefits of its use for fever are unclear. Paracetamol may relieve pain in acute mild migraine but only slightly in episodic tension headache. However, the aspirin/paracetamol/caffeine combination helps with both conditions where the pain is mild and is recommended as a first-line treatment for them. Paracetamol is effective for post-surgical pain, but it is inferior to ibuprofen. The paracetamol/ibuprofen combination provides further increase in potency and is superior to either drug alone. The pain relief paracetamol provides in osteoarthritis is small and clinically insignificant. The evidence in its favor for the use in low back pain, cancer pain, and neuropathic pain is insufficient. In the sho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2-butanone
Butanone, also known as methyl ethyl ketone (MEK), is an organic compound with the formula CH3C(O)CH2CH3. This colourless liquid ketone has a sharp, sweet odor reminiscent of acetone. It is produced industrially on a large scale, but occurs in nature only in trace amounts.Wilhelm Neier, Guenter Strehlke "2-Butanone" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2002. It is partially soluble in water, and is commonly used as an industrial solvent. It is an isomer of another solvent, tetrahydrofuran. Production Butanone may be produced by oxidation of 2-butanol. The dehydrogenation of 2-butanol is catalysed by copper, zinc, or bronze: :CH3CH(OH)CH2CH3 → CH3C(O)CH2CH3 + H2 This is used to produce approximately 700 million kilograms yearly. Other syntheses that have been examined but not implemented include Wacker oxidation of 2-butene and oxidation of isobutylbenzene, which is analogous to the industrial production of acetone. The cumene process can ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coricidin
Coricidin, Coricidin 'D' (decongestant), or Coricidin HBP (for high blood pressure), is the name of an over-the-counter cough and cold drug containing dextromethorphan (a cough suppressant) and chlorpheniramine maleate (an antihistamine). Introduced by Schering-Plough in 1949 as one of the first antihistamines, it is now owned by Bayer. Varieties of Coricidin may also contain acetaminophen (an analgesic/antipyretic) and guaifenesin (an expectorant). Medicinal use Coricidin is used to alleviate common cold symptoms such as coughs and congestion. Other versions of Coricidin are used to reduce fever or as an expectorant, while Coricidin HBP includes chlorpheniramine for people with high blood pressure. Side effects can include diarrhea and hallucination. Recreational use Coricidin, in its cough & cold formulation, is sometimes used in high doses as a recreational drug because it contains the dissociative dextromethorphan. In this context, Coricidin is referred to as Cs, Red Devils ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Propyphenazone
Propyphenazone (known as isopropylantipyrine in Japan) is a derivative of phenazone with similar analgesic and antipyretic effects. Originally patented in 1931, propyphenazone is marketed as a combination formulation with paracetamol and caffeine for treatment of primary headache disorder. Serious adverse events Case reports have described acute inferior-wall myocardial infarctions characterized by low atrial rhythms (Kounis syndrome) secondary to propyphenazone use. Excerpt from WHO comments Banned *Sri Lanka *Malaysia *Thailand *Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ... See also * Propyphenazone/paracetamol/caffeine References Analgesics Antipyretics Pyrazolones Isopropyl compounds {{analgesic-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saridon
Propyphenazone/paracetamol/caffeine (trade name Saridon) is an analgesic combination indicated for the management of headache. It contains the analgesics propyphenazone and paracetamol and the stimulant caffeine. Saridon was first launched by Roche in 1933, initially containing pyrithyldione and phenacetin, widely used remedies for fever and pain. It often contained aspirin, phenacetin and caffeine, but was reformulated in 1981, replacing the original ingredient phenacetin with paracetamol, before phenacetin was banned by the US FDA in 1983. It was available in more than 80 countries across Europe, Latin America, Asia and Africa, but has been discontinued in many of them. Medical uses This combination is used for the relief of pain such as headache, toothache, menstrual discomfort, pain and fever associated with colds and flu, and for postoperative and rheumatic pain. Efficacy Paracetamol, an analgesic and antipyretic substance, has slow onset but has a longer duration of actio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hoffmann-La Roche
F. Hoffmann-La Roche AG, commonly known as Roche, is a Swiss multinational healthcare company that operates worldwide under two divisions: Pharmaceuticals and Diagnostics. Its holding company, Roche Holding AG, has shares listed on the SIX Swiss Exchange. The company headquarters are located in Basel. Roche is the fifth largest pharmaceutical company in the world by revenue, and the leading provider of cancer treatments globally. The company controls the American biotechnology company Genentech, which is a wholly owned affiliate, and the Japanese biotechnology company Chugai Pharmaceuticals, as well as the United States-based companies Ventana and Foundation Medicine. Roche's revenues during fiscal year 2020 were 58.32 billion Swiss francs. Descendants of the founding Hoffmann and Oeri families own slightly over half of the bearer shares with voting rights (a pool of family shareholders 45%, and Maja Oeri a further 5% apart), with Swiss pharma firm Novartis owning a furth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carcinogen
A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis (the formation of cancer). This may be due to the ability to damage the genome or to the disruption of cellular metabolic processes. Several radioactive substances are considered carcinogens, but their carcinogenic activity is attributed to the radiation, for example gamma rays and alpha particles, which they emit. Common examples of non-radioactive carcinogens are inhaled asbestos, certain dioxins, and tobacco smoke. Although the public generally associates carcinogenicity with synthetic chemicals, it is equally likely to arise from both natural and synthetic substances. Carcinogens are not necessarily immediately toxic; thus, their effect can be insidious. Carcinogens, as mentioned, are agents in the environment capable of contributing to cancer growth. Carcinogens can be categorized into two different types: activation-dependent and activation-independent, and each nature impacts their level ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Food And Drug Administration
The United States Food and Drug Administration (FDA or US FDA) is a List of United States federal agencies, federal agency of the United States Department of Health and Human Services, Department of Health and Human Services. The FDA is responsible for protecting and promoting public health through the control and supervision of food safety, tobacco products, caffeine products, dietary supplements, Prescription drug, prescription and Over-the-counter drug, over-the-counter pharmaceutical drugs (medications), vaccines, biopharmaceuticals, blood transfusions, medical devices, electromagnetic radiation emitting devices (ERED), cosmetics, Animal feed, animal foods & feed and Veterinary medicine, veterinary products. The FDA's primary focus is enforcement of the Federal Food, Drug, and Cosmetic Act (FD&C), but the agency also enforces other laws, notably Section 361 of the Public Health Service Act, as well as associated regulations. Much of this regulatory-enforcement work is not d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Compound Analgesic
Compound analgesics are those with multiple active ingredients; they include many of the stronger prescription analgesics. Active ingredients that have been commonly used in compound analgesics include: * aspirin or ibuprofen * caffeine * codeine or oxycodone * paracetamol (acetaminophen) * phenacetin There is evidence that a compound of two analgesics with different mechanism of action can have an increased painkilling effect over the sum of the effect of each individual analgesic. Several such formulations have disappeared from over-the-counter status in drug store aisles and other retail outlets. One example is APC (aspirin, phenacetin, and caffeine) compound tablets common from the 1940s to 1983; because of harmful side effects of phenacetin, Anacin in the U.S. was reformulated to eliminate it; while Vincent's APC is no longer sold. Some others have been judged to contribute too often to substance abuse. Another example is Bex, a once popular Australian compound analgesic wh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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