Headache? How long for the aspirin to work? The relief starts between 20 to 30 minutes but full effect isn’t reached until about 100 minutes. It’s about the same for Ibuprofen and and Tylenol.
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Headache? How long for the aspirin to work? The relief starts between 20 to 30 minutes but full effect isn’t reached until about 100 minutes. It’s about the same for Ibuprofen and and Tylenol.