Tylenol

TylenolTablets of Tylenol No. 3.

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.
Citation Information
Article Title: Tylenol
Website Name: Encyclopaedia Britannica
Publisher: Encyclopaedia Britannica, Inc.
Date Published: 29 July 2024
Access Date: April 25, 2025