how does paracetamol know which part of the body to go to

Question: how does paracetamol know which part of the body to go to
- Keywords:
  body,
  paracetamol
Asked by LILLY.K to Matt on 13 Jun 2017.
- Matthew Lee answered on 13 Jun 2017:
  
  I’m pretty sure, unlike aspirin, people dont really know how paracetamol works. But it doesnt go to a particular part of the body where you have pain, what it does is (i think) works in the brain to block or silence a pain signalling pathway.

Question: how does paracetamol know which part of the body to go to