What happens when liver is inflamed from tylenol (acetaminophen) overdose?

Most People Survive: Tylenol (acetaminophen) overdose is very serious. If discovered in time, the antidote will help prevent injury. Of all overdoses, <1% of patients die. If not discovered in time, patients can develop acute liver failure and up to 30% can die from this or need transplant. Please read package labeling and do not take more than prescribed or recommended.