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How Long Does Aspirin Stay In Your System?

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Adam Yare Profile
Adam Yare answered
Depending on what the subject of your question is, aspirin can remain in the system for a range of different times. If the question is asking about the blood thinning qualities of aspirin then these may remain for up to 10 days, which is why patients going in for surgery are required to stop taking aspirin at least 10 days before their scheduled surgery. However aspirin's pain relieve qualities will only last around 4 to 6 hours. Though if the question refers to the length of time that aspirin may remain in your system as a whole then this can be 30 days or even more in some cases.

Aspirin is a salicylate drug, often used as an analgesic to relieve minor aches and pains, as an antipyretic to reduce fever, and as an anti-inflammatory medication.

Salicylic acid, the main metabolite of aspirin, is an integral part of human and animal metabolism. While much of it is attributable to diet, a substantial part is synthesized endogenously.

Aspirin also has an anti-platelet effect by inhibiting the production of thromboxane, which under normal circumstances binds platelet molecules together to create a patch over damaged walls of blood vessels. Because the platelet patch can become too large and also block blood flow, locally and downstream, aspirin is also used long-term, at low doses, to help prevent heart attacks, strokes, and blood clot formation in people at high risk for developing blood clots. It has also been established that low doses of aspirin may be given immediately after a heart attack to reduce the risk of another heart attack or of the death of cardiac tissue.

The main undesirable side effects of aspirin are gastrointestinal ulcers, stomach bleeding, and tinnitus, especially in higher doses. In children and adolescents, aspirin is no longer used to control flu-like symptoms or the symptoms of chickenpox or other viral illnesses, because of the risk of Reye's syndrome.
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Anonymous answered
Aspirin's blood thinning qualities last 7 to 10 days, hence the reason doctors ask patients to stop taking aspirin at least 7 to 10 days before any surgical procedure, this includes dental surgery (extractions and such) if possible. Of course in the case of an emergency, try to remember to tell the doctor that you are taking aspirin.

If you are asking for it's pain qualities, probably 4 to 6 hours since that is what most instructions say when taking it.

If you are looking at just detecting the use of aspirin, I cannot say with authority however, most drug testing can indicate trace amounts up to 30 days after use.

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