DXM - The drug found in your cough syrup

What is DXM/Dextromethorphan? In this brief overview I will attempt to give some insight on the widely available, lesser known drug found in many cough medicines.

LINKS YOU MIGHT LIKE
DXM General Info:
https://psychonautwiki.org/wiki/Dxm
DXM Reddit Guide:
Reddit: the_complete_guide_to_using_dxm
Good video on DXM addiction:
Video