Buy Norco Online Today. Norco is a prescribed painkiller that contains a mixture of hydrocodone and acetaminophen medication. In Norco, Hydrocodone is a very potent opioid drug that relives moderate to severe pain effectively. Whereas Acetaminophen is a lesser powerful painkiller used to enhance the effectiveness of Hydrocodone. So, most of the time doctor advise their patients to buy Norco online for chronic and acute pain treatment.