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Aspirin and warfarin are both anticoagulants, which means they prevent blood clots from forming. However, taking them together can increase the risk of bleeding [1]. Therefore, it is crucial to consult a healthcare professional before combining these two medications.

Warfarin works by blocking the formation of clots in the blood vessels [2]. Aspirin, on the other hand, works by preventing platelets from clumping together to form clots [3]. When taken together, aspirin can enhance the blood-thinning effect of warfarin, which can increase the risk of bleeding.

It is important to note that the decision to take aspirin and warfarin together should be made by a healthcare professional, who can assess the potential benefits and risks based on the individual's medical history and current health status [4].

In summary, while aspirin and warfarin are both effective blood thinners, taking them together can increase the risk of bleeding. Therefore, it is essential to consult a healthcare professional before combining these two medications.

Sources:

1. <https://www.drugs.com/drug-interactions/aspirin-and-warfarin-43-73-131-517-131-1583-131-253-253-2053-2053-2053.html>
2. <https://www.ncbi.nlm.nih.gov/books/NBK539848/>
3. <https://www.mayoclinic.org/diseases-conditions/heart-disease/in-depth/aspirin/art-20046797>
4. <https://www.drugpatentwatch.com/drugs/warfarin-sodium-coumadin-jantoven>