Vicodin and Percocet are opioid narcotic medications. Morphine also belongs to this class. The U.S. Drug Enforcement Administration classifies opioids as Schedule 2 drugs. Vicodin, Lortab, and Norco are common prescription medications for pain. This article compares the ingredients and offers suggestions for deciding which might be appropriate in various circumstances. Norco has the same narcotic in it as Vicodin. Hydrocodone is the narcotic in brand name drugs such as Vicodin, Norco and Lortab (as well as others). Percocet and Lortab are combination prescription medications used to manage moderate to severe pain. Percocet is a combination of oxycodone (a narcotic pain reliever) and acetaminophen (a non-narcotic pain reliever and fever reducer). Lortab and Norco have the same opiate pain killer in them which is hydrocodone (in this case 5mg). The other number is the amount of acetaminophen (tylenol) in the formula. Since we’re looking at Lortab vs. Norco, and what the differences are, we’ll also cover the specifics of Norco. Norco is very similar to Lortab, which we’ll detail a bit more below. Norco is very similar to Lortab, which we’ll detail a bit more below. What your Dr. told you is absolutely true. Norco 10 is stronger than Lor-tab 10/500. Norco has slightly more opiate (hydrocodone), than Lor-tab. Norco vs Vicodin comparison. Norco and Vicodin are common narcotic pain killers made of two active ingredients, acetaminophen and hydrocodone. The levels of these two ingredients differs in each drug; Norco contains higher levels of hydrocodone while Vicodin contains higher levels of. Norco vs. Percocet Percocet is actually similar in many ways to Norco, except it relieves pain and provides therapeutic effects with oxycodone instead of hydrocodone. Oxycodone is also an opioid, and with Percocet, the oxycodone is also combined with acetaminophen.