Paracetamol is a proven safe drug, and there is no need to panic about its use, Dr Soumya Swaminathan, a paediatrician and former World Health Organization (WHO) Chief Scientist, has said. Dr Swaminathan's remarks came in response to the US President Donald Trump linking the painkiller Tylenol, with paracetamol (acetaminophen) being the main ingredient, to autism.