A theme is the central idea found within a story or passage. It can also represent a message or lesson the author wants to convey. Themes are considered universal when they are easily relatable by a wide audience. A story can have more than one theme. To unlock this lesson you must be a Study.com Member.
Active ingredient in Tylenol vs Advil. The active ingredient in Advil is ibuprofen, which is a non-steroidal anti-inflammatory drug. On the other hand, the active ingredient in Tylenol is acetaminophen (also known as paracetamol), an analgesic and an antipyretic agent.
Tylenol Extra Strength is 500mg of acetaminophen only. Tylenol #1 is 300mg of acetaminophen and 8mg of codeine. Tylenol #2 is 300mg of acetaminophen and 15mg of codeine. â¦ Tylenol #3 is 300mg of acetaminophen and 30mg of codeine. Tylenol #4 is 300mg of acetaminophen and 60mg of codeine.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.