Which is stronger hydrocodone or oxycodone 5 325 ive bee taking 15 mg of oxycodone every 4hrs for. 5/500 is 5mg of hydrocodone and 500 mg of Tylenol, is 7.5 mg hydrocodone. 5mg oxycodone 7.5mg hydrocodone. Its abuse liability is similar to morphine and less than oxycodone. Oxycodone HCl, oxycodone terephth, and aspirin. What are the Differences Between Percocet Vicodin? When does hydrocodone. Differences between Norco and Vicodin 1. Forms of Medicine. There are three kinds of Norco tablets that are available i.e. Norco 5/325, Norco 7.5/325 and Norco 10/325. 750 is stronger than a 500 and than you have 10or10.5 and they are stronger than the 750 the 500 are not as strong. 2.5mg of hydrocodone. The 7.5/500mg is 2.5mg stronger than the 5/500. The 500 refers to the amount of acetaminophen (or Tylenol). Hi jesse, The main difference between the 5/500 and the 5/325 is the amount of acetametiphine in each pill. The 5 is how many milligrams of hydrocodone that is in each pill and the 500 is how many milligrams of acetametiphine,which is generic for tylenol,are in each pill. I have the brand name Norco 7.5/325 and the tablets are white in color. I just looked it up and they say they are light orange in color. Should I question this? I took one and felt dizzy. I just looked it up and they say they are light orange in color. Hydrocodone/APAP (acetaminophen) is a common combination for short acting opioids prescribed for moderate to severe pain. The difference in these 2 formulations is 5/500 contains 5 mg of hydrocodone & 500 mg of acetaminophen, whereas 7.5/300 contains 7.5 mg hydrocodone & 300 mg acetaminophen. Norco 7.5 is 7.5 mg hydrocodone and 325 mg acetaminophen. Norco 10 is 10 mg hydrocodone and 325 mg acetaminophen. Norco 10 is 10 mg hydrocodone and 325 mg acetaminophen. Lortab / Vicodin are marked the same way. Hydrocodone is the 7.5 portion and the acetaminophen is the 325 portion. Since Hydrocodone is a single drug, there would only be one number, not two, if it was hydrocodone only in the pill. Since Hydrocodone is a single drug, there would only be one number, not two, if it was hydrocodone only in the pill. The first number is the amount of hydrocodone (the narcotic analgesic) in milligrams and the second number is the amount of acetaminophen (the OTC pain reliever) in milligrams.