Meanwhile researchers have shown in numerous studies that acetaminophen (also known as paracetamol) is safe and effective in children. And it’s among the most widely prescribed drugs in kids: some European studies suggest that more than 90 percent of children have taken it at some point.

President Donald Trump on Sunday once again urged pregnant women not to take Tylenol unless "absolutely necessary," to avoid giving the over-the-counter drug to children "for virtually any reason" and to break up certain vaccine dosages.

Trump’s furious post comes just a month after a national autism charity claimed that he was pedalling ‘pseudo-science’