How Quickly Does Aspirin Thin Blood? Onset, Mechanism, and Duration Explained
•
4 min read
When chewed, aspirin begins to inhibit platelets within 15 to 30 minutes, with a significant effect often seen within an hour. This rapid onset is crucial in emergency situations. The question of "how quickly does aspirin thin blood?" is best understood by looking at its unique and lasting antiplatelet action, rather than thinking of it as a traditional blood thinner.
