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Houma, LA
A 17-year-old male asked:

what's the half life of a baby aspirin?

1 doctor answer1 doctor weighed in
Dr. Michael Moran
Cardiology 33 years experience
0.25 and 2-6 hours: Aspirin, acetylsalicylic acid has a half life of 0.25 hours. It's main metabolite however is salicylic acid, which has a half life of from 2-6 hours. Larger doses have a longer half life.

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Last updated Jun 16, 2019
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