A few months http://boobs.pet perfect boobs Tylenol is generally safe, Phillips said, with most people able to consume about 3,000 milligrams spread through a day -- the equivalent of six extra-strength Tylenol. However, overdoses can occur -- and typically in one of three scenarios: mixing Tylenol with alcohol, combining Tylenol with other acetaminophen-containing products -- such as NyQuil or Sudafed -- or consuming Tylenol with prescription drugs that also contain acetaminophen. Half of all Tylenol overdose deaths are intentional in cases when people try to harm themselves, according to the Centers for Disease Control and Prevention.