How do painkillers work? – Lanthanum Zone

Question: How do painkillers work?
- Keywords:
  body,
  health,
  medicine
Asked by to Jess on 15 Mar 2014. This question was also asked by .
- Jess Smith answered on 15 Mar 2014:
  
  There are a lot of different sorts of painkiller. Some help swelling (or inflation) go down, they do this by stopping the production of the molecule which causes swelling at the site of the injury. This may take the pain away because there is less pressure on the nearby nerves. The other type block the pain signals inside your brain.

Question: How do painkillers work?