Yes, Tylenol (acetaminophen) is considered safe to take while breastfeeding. Only small amounts of acetaminophen pass into breast milk—less than 1% of the dose taken by the mother—and it has a short half-life, meaning it leaves your system fairly quickly. It is widely recommended by pediatricians and approved by health authorities for use during lactation as a pain reliever and fever reducer. There is no evidence that acetaminophen affects milk supply or causes side effects in breastfed babies when taken as directed. The usual adult dose is 500–1000 mg every 4–6 hours, not exceeding 3000–4000 mg in 24 hours. It is important not to exceed the recommended dose to avoid liver damage. If you plan to take Tylenol for more than a few days, regularly, or have any concerns—especially if your baby was born premature or has health issues—consult your healthcare provider. Tylenol is often chosen for headaches, postpartum pain, fever, or mild aches, but other options like ibuprofen are also considered safe during breastfeeding in certain cases. In summary, Tylenol is a safe and commonly used medication for breastfeeding mothers when used appropriately and sparingly. Always check with a healthcare professional if unsure or if taking other medications that contain acetaminophen.