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White House Reshares 2017 Tylenol Tweet as Officials Urge Caution on Pregnancy Use

Major medical groups say the evidence shows associations rather than proof that acetaminophen causes autism.

Overview

  • The Department of Health and Human Services and the White House reposted a March 2017 Tylenol tweet about pregnancy use, though the original message did not mention autism and replied to a now‑deleted customer post.
  • Kenvue, Tylenol’s parent company, called the resurfaced tweet incomplete and out of context and reiterated that acetaminophen is considered the safest over‑the‑counter option in pregnancy.
  • President Donald Trump and HHS Secretary Robert F. Kennedy Jr. pointed to a possible autism risk and the agency plans a campaign urging clinicians to recommend the lowest effective dose for the shortest time during pregnancy.
  • FDA Administrator Marty Makary told clinicians a causal link has not been established and advised caution for routine low‑grade fevers, noting acetaminophen remains the safest choice compared with other common pain and fever reducers in pregnancy.
  • A Mount Sinai–led review reported consistent observational associations between prenatal acetaminophen and autism/ADHD, while the Society for Maternal‑Fetal Medicine and ACOG say causation is unproven as Kenvue’s shares fell and talk of potential litigation grew.