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 Is Tylenol Bad for Your Liver or Kidneys? GoodRx Exposure to acetaminophen and all its metabolites upon 10, 15, and 20 mg kg intravenous acetaminophen in very preterm infants Pediatric Research Myth busting, Acetaminophen version. "Avoid Acetaminophen (Tylenol) because it causes glutathione depletion". Truth?? As a pediatrician and ER doctor and as moms we're often asked about this. And we understand why: Acetaminophen metabolism