Had major reconstructive foot surgery, with pins in toes and a plate in big toe-still have pretty severe pain. have needed to take 1/2 percocet 5/325 every 3 1/2 hrs just to be able to stand the pain, and it's still there even with that dosage. I was just switched to darvocet 100. Will it come close to what the percocet does for me? I am scared of this much pain!