Reticence is being reserved, quiet or reluctant. An example of reticence is a person sitting in a corner not engaging with anyone at a dinner party. the quality or state, or an instance, of being reticent; reserve. also retâ²iÂ·cency.
The active ingredient in Tylenol is paracetamol, also known as acetaminophen, a widely used over-the-counter analgesic (pain reliever) and antipyretic (fever reducer).
  Tylenol Extra Strength contains just acetaminophen, an analgesic for pain and fever relief. Tylenol PM contains both the acetaminophen and diphenhydramine. Diphenhydrami â¦ ne is an antihistamine that is used as a sleep aid to help you get to sleep.ylenol is   just a brand name (McNeil Labs) â¦ for acetaminophen. Acetaminophen is acetaminophen, whether it's brand name is Tylenol, Datril, Panadol, Valorin, or approx. 60 other brand names. The same goes for aspirin.