acetaminophen

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acetaminophen

(əsēt'əmĭn`əfĭn), an analgesicanalgesic
, any of a diverse group of drugs used to relieve pain. Analgesic drugs include the nonsteroidal anti-inflammatory drugs (NSAIDs) such as the salicylates, acetaminophen, narcotic drugs such as morphine, and synthetic drugs with morphinelike action such as meperidine
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 and fever-reducing medicine. It is an active ingredient in many over-the-counter medicines, including Tylenol and Midol. Introduced in the early 1900s, acetaminophen is a coal tar derivative that acts by interfering with the synthesis of prostaglandinsprostaglandin
, any of a group of about a dozen compounds synthesized from fatty acids in mammals as well as in lower animals. Prostaglandins are highly potent substances that are not stored but are produced as needed by cell membranes in virtually every body tissue.
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 and other substances necessary for the transmission of pain impulses. Although its action is similar to that of aspirinaspirin,
acetyl derivative of salicylic acid (see salicylate) that is used to lower fever, relieve pain, reduce inflammation, and thin the blood. Common conditions treated with aspirin include headache, muscle and joint pain, and the inflammation caused by rheumatic fever and
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, it lacks aspirin's anti-inflammatory and blood-thinning effects, is less irritating to the stomach, and can be used by people who are allergic to aspirin. Heavy use, however, has been linked to an increased incidence of liver failure, especially in heavy drinkers of alcoholic beverages and in those who are not eating enough, and overdose, especially in children, can be fatal.

acetaminophen

[ə‚sēd·ə′mēn·ə·fən]
(organic chemistry)
C8H9O2N Large monoclinic prisms with a melting point of 169-170°C; soluble in organic solvents such as methanol and ethanol; used in the manufacture of azo dyes and photographic chemicals, and as an analgesic and antipyretic.
References in periodicals archive ?
Component 2 Supporting ACETs role in implementing the G20 Compact with Africa (CwA) - $715,000
However, sources from the foreign ministry have confirmed that it was the UAE," Acet told Daily Sabah newspaper.
Against the background of the destruction from the 1994 genocide and the post-war resource constraints, the ACET report said Rwanda was a case study of success in post-conflict reconstruction.
ACET processes for leading consumer finance companies such as RCS, and major retailers like the JD Group.
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A military version uses the ACET feature to extend battery life up to 50,000 hours and is waterproof to 45 meters.
Companies including ACET in Taiwan, Casio Micronics in Japan, and Freescale Semiconductor in the U.S.
AIDS experts believe a secret in Andrew's genes may have helped his body destroy the HIV virus Dr Patrick Dixon, founder of international AIDS group Acet, said: "The answer may turn out to be in his genetic code.
En tanto Ahmet Acet, el numero dos turco -de 52 anos- en lo relativo a los Balcanes afirmo tajante: "Turquia ha cumplido su parte.
In an ongoing randomized study of patients with both preeclampsia and intrauterine growth restriction, early results suggest antepartum chronic epidural therapy (ACET) with ropivacaine improves uteroplacental blood flow, which is impaired in both of these conditions.
Tickers featured: ABRX, ACET, ANDA, ANDAs, APPX, BPRX, CEDC, CHGO, ELAB, JCOM, LBIX, LCI, LLL, NWRE, PNRA, SFCC, SFNT, SOHU, STST, TRR, VSF, VTAL.