I work at a pharmacy, and we almost never dispense brand name Vicodin unless specified by the doctor or the patient. So, unless you get brand name Vicodin, it won't say Vicodin on the tablets and...
Yes you can it won't do anything i tried it because i read the promethizine would intensive the Vicodin effect but i didn't feel any different it just made me drowzey hope that helps any....