Vicodin oxycodoneWhat is the difference between Vicodin ( hydrocodone ) and Percocet (oxycodone ) My doctor prescribed percocet to me , and Im used to taking Vicodin ES . Best Answer: 30 mg of hydrocodone has an equianalgesic dose similar to that of 20 mg of oxycodone. == HYDROCODONE V. Best Answer: first of all it is not the generic of vicodin vicodin is made of hydrocodone and is a class 3 and oxycodone is make of oxycodone and is a class 2 . Hydrocodone is the generic name for Vicodin, Norc... more