Will Tylenol Help with Fevers?

Acetaminophen (Tylenol) Acetaminophen is a fever reducer and a pain reliever. It's not fully understood how this drug works. Acetaminophen doesn't decrease swelling or inflammation.

Is it better to take Tylenol for fever or not?

A. The best evidence suggests that there is neither harm nor benefit to treating a fever with fever-reducing medications like acetaminophen or ibuprofen.

How fast can Tylenol bring down a fever?

Two hours after acetaminophen is taken, it will usually reduce the fever by 2 to 3 degrees F. Repeated does of the drug are often necessary because the fever will go up and down until the illness runs its course.