Answer:
Coricidin is a VERY addictive drug, It has DXM in it wich is in hard drugs like meth and heroine. I don't recommend it. But to get high it's anywhere for 8-16 pills. I'd do 10g if you're going to do it.
Effects: Dizzy, you feel light weight, Sleepy, Slows your thinking down, addiction, sick if snorted, lasts for 5 hours, takes 1 hour to kick in.