National Library of Medicine).
The late McNeil, whose grandfather founded McNeil Laboratories, was the third generation to work at the company.
He developed Tylenol as a direct competitor to Aspirin.

So which is truly the better option: Tylenol or aspirin?
Tylenol is also safe for children to consume, though in smaller doses.
Tylenol has 18 known major drug interactions, according toDrugs.com.

Aspirin, like Tylenol, is also used to treat fever and pain.
Some common side effects of aspirin include nausea, vomiting, heartburn, and stomach cramps, viaWebMD.
Aspirin is also effective in preventing blood clots and reducing the risk of strokes and heart attack.

However, for other conditions such as fever and cramps, reckon it’s either one is fine.
As with any medication, if you have questions, check with your doctor.