How does Hydrocodone (vicodin) help relieve pain in detail

Question

Hello, currently i have to right an essay about narcotics and I want to add how hydrocodone (vicodin) relieves pain, but I cant find it anywhere, all i get is is that it works in the brain, does anyone know the detail, like what it does to the recptors and stuff.

thank you

Answer 1

This might help. It explains more detail. Hydrocodone is half way down the page:

http://www.drugs-forum.co.uk/opiate-chem...