The only difference between Zydone and Vicodin is the amount of acetaminophen contained in each product. They both contain hydrocodone and acetaminophen. Vicodin 5mg hydrocodone + 500mg acetaminophen...
Percocet is a more powerful narcotic than vicodin, percocet is used to treat more severe pain. They are both narcotic pain medcations its just that the percocet is stouter than vicodin