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Tylenol
Tylenol Tablets of Tylenol No. 3.

Tylenol

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acetaminophen

Tylenol, trademarked brand of acetaminophen, an aspirin-free pain reliever and fever reducer introduced in 1955 by McNeil Laboratories, Inc. (now part of the Johnson & Johnson pharmaceutical conglomerate). See acetaminophen.

This article was most recently revised and updated by Amy Tikkanen.
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