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 ?
Throughout the years, Tempra has been synonymous with a mother's love for her children, especially when they are sick.
The inventor of the Tempra Brow has also developed a prototype that has been utilized with success.
We are about to make this challenge come true - drive a very rare, right-handed Fiat Tempra from northern England back to Italy, 1,000 miles across the country, across the English Channel and finally towards her native land.
Nancy le dio Tempra a Tomas, y asi le disminuyo la fiebre durante cerca de cuatro horas, pero despues esta le volvio.
Con moretones en ambos brazos, agujas, trozos de plastico azules y amarillos y letreritos a pluma bic sobre la cinta adhesiva: Tempra de I g, Ceftazidima, Citarabina, Antraciclina, Ciprofloxacino, Doxorrubicina, soluciones mixtas en bolsas negras para proteger de la luz a los venenos que le inyectan.
The bands, Indi-go Modem, from Pontypridd, and Tempra from Bridgend, had to go through an audition process.
9) Solerti, 1891, 5: "Queste Principe, veramente in ogni sua azione riguardevole, tempra cosi i negozii con gli ozii, e il tempo con tant'ordine misura e dispensa, che ne da soverchio peso di cose serie snervare, ne da troppo leggierezza di giocose illanguidir si lascia.
Debbie Brown, Julie Bryce, Cathy Edwards and Sally White will be making the 1,400-mile drive to the capital of Italy in a pounds 100 Fiat Tempra in September.
Tusman G, Bohm SH, Tempra A, Melkun F, Garcia E, Turchetto E, Mulder PGH, Lachmann B (2003) Effects of recruitment maneuver on atelectasis in anesthetized children.
Historia Clinica completa realizada el dia 2 de febrero del 2006, toma de fotografias extraorales e intraorales, revision de radiografia panoramica y se dio antibioticoterapia especifica (Dafloxen, Tempra y Dalacin C) (Figuras 1-4).
All rooms have high definition TV, handmade beds, Tempra bedding and Fatboy bean bags, the latest must-have accessory from Europe, to relaxin.