When was tylenol first introduced to the market?

When did Tylenol (acetaminophen) first hit the market?

Tylenol was first introduced to the U.S. market in 1955, as a brand of acetaminophen (paracetamol).[1]

What was Tylenol originally approved/marketed for?

Tylenol was marketed as a pain reliever and fever reducer, using acetaminophen as its active ingredient.[1]

Does this date refer to the brand or the ingredient?

The ingredient (acetaminophen) existed before the brand’s launch, but Tylenol as a consumer brand in the U.S. began in 1955.[1]

Sources

1. https://www.drugs.com/history/tylenol.html