Doctors worry President Trump's message of "tough it out" will harm women and their babies, as high fever and severe pain can be dangerous during pregnancy.

U.S. President Donald Trump on Friday repeated his call for pregnant women and young children to stop using popular pain medication Tylenol, defying widespread criticism from medical groups, and offered further healthcare advice not backed by science.

His debunked claim about the link between the commonly used pain reliever and autism has stirred up both his critics and his defenders.

President Donald Trump on Friday intensified his campaign against Tylenol to include young kids, posting on his Truth Social that parents shouldn’t give children the drug “for virtually any reason” without providing scientific evidence for the claim.

President Trump claimed Tylenol causes autism, but researchers say the evidence doesn’t support a causal relationship. Medical experts maintain acetaminophen is the safest pain medication for pregnant women, with alternative drugs carrying higher risks during pregnancy.

The president posted to social media Friday echoing advice from earlier in the week that is contrary to most medical guidance.

An injection of funding into genetic and environmental factors underlying autism was eclipsed by Trump’s controversial claims about acetaminophen.

Donald Trump used a White House press conference billed as revealing new findings on autism to insist that acetaminophen -- also known by the brand name Tylenol -- is unsafe to take during pregnancy.

Families appealing the dismissal of their lawsuits alleging that Kenvue's Tylenol or generic versions of the pain-relief medication caused their children's autism are asking an appeals court to consider President Donald Trump's new advice that pregnant women avoid the pain killer as it decides whether to revive their lawsuits.

President Donald Trump’s warning on Monday that pregnant women should not use Tylenol, a US brand of paracetamol, came as arguments are pending in Manhattan federal court to overturn the 2024 dismissal of hundreds of lawsuits alleging Kenvue and major retailers failed to warn pregnant mothers about the prenatal risks of using the painkiller.

Medical scholars say, efforts to find a singular cause for autism has historically led to scrutinizing parents and fueling stigma about autism