Acetaminophen is the active ingredient in the over-the-counter medicine Tylenol.
October 28, 2025
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Identifies the chemical active ingredient in a common OTC product.
Acetaminophen is one of the most commonly used pain relievers and fever reducers in the United States, used by upward of 100 million Americans annually.
October 28, 2025
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Describes the prevalence of acetaminophen use in the U.S.