Nothing is 'in' paracetamol as such - it is just one molecule. It is made by nitrating phenol to produce 4-nitrophenol, which is then reduced to 4-aminophenol, from which paracetamol is made.
Intravenous therapy or IV therapy is the giving of substances directly into a vein.Pharmacotherapeutic group of Paracetamol is Analgesic and Antipyretic. In acute situations, in emergency medicine...
Paracetamol, also known as acetaminophen or Tylenol, is not a naturally occurring substance. It is classified as a Non-Steroidal Anti-Inflammatory drug.