Medical Questions » Brain Questions » Question No. 163
Question:If you take a break for a month from using aspirin to reduce the risk of a stroke from blood clotting, is one at greater risk during the break than if one had never started, or does a break not matter?
Answer:Aspirin only works to prevent blood clots while it is being taken. Missing an occasional dose for a day or two is unlikely to alter the risk of a blood clot significantly, but after five days, every trace of aspirin will have left the body, and the risk of blood clot, and therefore stroke, will return to that which would have been present if aspirin had never been taken. It is therefore sensible for those who have been advised to take aspirin to prevent blood clotting complications to continue taking it regularly all the time.
       
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