Aspirin, also known as acetylsalicylic acid, is an organic compound with the chemical formula C9H8O4. It is a white crystalline powder, soluble in ethanol, ether and slightly soluble in water. It is mainly used as antipyretic and analgesic drugs, non-steroidal anti-inflammatory drugs and anti-platelet aggregative drugs. Such as toothache, headache, neuralgia, muscle pain and dysmenorrhea effect is better, also used for cold, flu and other fever disease fever, treatment of rheumatic pain, can prevent thrombosis, clinical use to prevent transient ischemic attack, myocardial infarction, artificial heart valve and venous fistula or other operations after thrombosis formation.
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