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Aspirin (/ ˈ æ s p (ə) r ɪ n / [10]) is the genericized trademark for acetylsalicylic acid (ASA), a nonsteroidal anti-inflammatory drug (NSAID) used to reduce pain, fever, and inflammation, and as an antithrombotic. [11]
Aspirin helps prevent blood clots from forming, which is the leading cause of heart attack and stroke, but the drug also carries a risk of bleeding. That risk can outweigh aspirin’s benefits in ...
Low-dose, long-term aspirin use irreversibly blocks the formation of thromboxane A 2 in platelets, producing an inhibitory effect on platelet aggregation. [13] This effect is mediated by the irreversible blockage of COX-1 in platelets, since mature platelets don't express COX-2.
The acutely toxic dose of aspirin is generally considered greater than 150 mg per kg of body mass. [12] Moderate toxicity occurs at doses up to 300 mg/kg, severe toxicity occurs between 300 and 500 mg/kg, and a potentially lethal dose is greater than 500 mg/kg. [ 13 ]
For many drugs, severe toxicities in humans occur at sublethal doses, which limit their maximum dose. A higher safety-based therapeutic index is preferable instead of a lower one; an individual would have to take a much higher dose of a drug to reach the lethal threshold than the dose taken to induce the therapeutic effect of the drug.
NSAIDs aside from (low-dose) aspirin are associated with a doubled risk of heart failure in people without a history of cardiac disease. [66] In people with such a history, use of NSAIDs (aside from low-dose aspirin) was associated with a more than 10-fold increase in heart failure. [67]
Lysine acetylsalicylate, also known as aspirin DL-lysine or lysine aspirin, is a more soluble form of acetylsalicylic acid (aspirin). As with aspirin itself, it is a nonsteroidal anti-inflammatory drug (NSAID) with analgesic, anti-inflammatory, antithrombotic and antipyretic properties. [ 1 ]
In the US, ticagrelor is indicated to reduce the risk of stroke in people with acute ischemic stroke or high-risk transient ischemic attack. [5]In the EU, ticagrelor, co-administered with acetylsalicylic acid (aspirin), is indicated for the prevention of atherothrombotic events in adults with acute coronary syndromes or a history of myocardial infarction and a high risk of developing an ...
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