Do You Reach for Tylenol Often? Whether it's for pain, headaches, or fever Tylenol (acetaminophen) is one of the most commonly used medications. But here's something most people don't realize Tylenol (acetaminophen) is one of the most commonly used painkillers. It is safe for kids, during pregnancy, and while breastfeeding. However, just because it is safe, doesn't mean that it Is Tylenol Bad? 5 Dangers for Children & Adults Done With Diligence Association between acetaminophen metabolites and CYP2E1 DNA methylation level in neonate cord blood in the Boston Birth Cohort Clinical Epigenetics Springer Nature Link Acetaminophen Toxicity Poisoning