The timeline

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1955: McNeil Labs introduces Tylenol Elixir (available by prescription only)

1961: Tylenol (OTC since 1959) targets adults with Regular Strength Tylenol tablets

1972: Chewable Children's tablet launched

1988: Gelcaps introduced

1992: Tylenol 8-Hour launched

1994: Extended Relief rolled out

2004: Children's Tylenol Meltaways and Tylenol Extra Strength Rapid Release Gels introduced Source: McNeil Consumer & Specialty Pharmaceuticals
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