aspirin

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Related to Asprin: Paracetamol, Baby aspirin

aspirin,

acetyl derivative of salicylic acid (see salicylatesalicylate
, any of a group of analgesics, or painkilling drugs, that are derivatives of salicylic acid. The best known is acetylsalicylic acid, or aspirin. Now often made synthetically, they were originally derived from salicin,
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) 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 arthritis. Aspirin is believed to act against fever, pain, and inflammation by interfering with the synthesis of specific 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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 in the body. Because of its ability to inhibit the formation of blood clots, aspirin is also used in low doses to prevent heart attack and stroke in persons with cardiovascular disease and to control unstable angina. The drug's usefulness in preventing certain cancers, the dangerous high blood pressure that sometimes occurs during pregnancy (toxemia), and migraine headaches is also under investigation.

Normal dosage may cause nausea, vomiting, diarrhea, or gastrointestinal bleeding. Large doses cause acid-base imbalance and respiratory disturbances and can be fatal, especially in children. Aspirin also has been linked to the development of Reye's syndrome (a combination of acute encephalopathy and fatty infiltration of internal organs) in children who have taken it for viral infections. Acetaminophenacetaminophen
, an analgesic 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
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 (Tylenol), which does not cause gastric irritation but does lower fever and relieve pain, is often substituted for aspirin.

Aspirin, although usually made synthetically now, was originally derived from salicin, the active ingredient in willow bark. Willow bark had been used for centuries in folk medicine in certain parts of the world. Acetylsalicylic acid was first prepared by the German chemist Felix Hoffmann, an employee of Friedrich Bayer & Co., in 1897. It is now the active ingredient in many over-the-counter preparations; estimates put American consumption at 80 billion tablets annually.

See 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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.

aspirin

[′as·prən]
(organic chemistry)

aspirin

1. a white crystalline compound widely used in the form of tablets to relieve pain and fever, to reduce inflammation, and to prevent strokes. Formula: CH3COOC6H4COOH
2. a tablet of aspirin

Aspirin

(language, tool)
A freeware language from MITRE Corporation for the description of neural networks. A compiler, bpmake, is included. Aspirin is designed for use with the MIGRAINES interface.

Version: 6.0, as of 1995-03-08.

ftp://ftp.cognet.ucla.edu/alexis/.
References in periodicals archive ?
University of Utah experts found that the women who took the asprin were 17 per cent more likely to get pregnant and 20 per cent more likely to give birth.
Clopidogrel bisulphate 75 mg (Trade name: Clotsafe[R]) and Asprin 75 mg (Trade name: Ecosprin[R]) (Aruna and Naidu, 2006) tablets were procured from a pharmacy.
They sell everything from Asprin to Wigs,hair and beauty supplies,rakes and brooms, cleaning supplies canned and dry food goods, toys, games,Tshirts and casual clothing.
Taking an Asprin while drinking will not lessen the headache - though taking one the next day, about an hour before you need to be functional, should help, he stated.
She continued that after she found out -- via a Google search -- that she might actually have been experiencing a heart attack, she merely took a Bayer Asprin instead of calling 911.
We know plenty about the talented tribe from our shores but those from South America and Australia can leave us reaching for the asprin.
Roedd ein cyndeidiau yn arfer cnoi rhisgl yr helyg at gur pen am fod yna asid salisylig ynddo, a hwn ydi'r cyffur sydd mewn Asprin.
Did you know, for example, that you can get asprin from the bark of the willow tree or that you can get disinfectant from a larch tree, should you get a cut while walking in the woods.
Drugs such as asprin, brufen, nimusilide should be avoided because they alter the blood clotting and platelet functions.
South Korea, by contrast, is prepared in some instances to remove duties using a swifter schedule, for instance immediately upon ratification for human vaccines, preparations containing asprin, a wide range of vitamins and anti-allergic agents, among others; and four years to scrap tariffs for streptomycins and some anti-cancer and TB drugs, among others.
From the above, it can be seen that patients with Type 2 DM may be taking a number of medications including hypoglycaemic agents, antihypertensive tablets, statins and asprin.
We can't digest lignin but most of us have eaten an asprin at sometime or other, something derived from tree-bark.