I have very bad arthritis, I was given by my MD percocet 7.5mg tab , fentelal patch( do not remember stregth) After I take the above that meds my md perscribed can take another percoset about an hour after the last on. 205 lbs,bp117/76/, 70 years old. Am not a druggy, etc.. Have had tthis arthrits about35 years and bent all over. My wonderful md is on vacation . Iam Just having too much paln right now. Thank you, Terry. C, Cummings