A mixture of hydrocodone and acetaminophen is present in Vicodin. Opioid pain drug is hydrocodone. Often an opioid is referred to as a narcotic. Acetaminophen is a less powerful pain reliever which improves hydrocodone effects. You can buy vicodin online and get vicodin for sale online. For mild to moderately extreme pain relief, Vicodin tablets are used. For uses not mentioned in this drug guide, Vicodin can also be included.