Is Tylenol Safe During Pregnancy? Understanding Risk Factors Seeking Health Here's how to make Tylenol work way better Dose it correctly: 1,000 mg at a time, spaced every 8 hours. Smaller doses don't control pain as well. Take it Reaching for Tylenol when baby is fussy? Here's some information worth knowing. A baby's liver isn't fully mature until around 2 years old Meaning their ability to process certain substances is still They told us Tylenol is safe. Pediatricians recommend them daily. But what if we've been missing the full story? Research shows that frequent use of acetaminophen (Tylenol) in babies and children