I can use Demerol, but my doctors are saving it for emergencies, like when I broke my arm last summer. Then they only gave me 4 days worth. (16 pills) I have Fibromyalgia, Osteoarthritis, and Osteoporosis, plus I've developed neuropathy in my hands and feet. I am not diabetic. I do have RLS and IBS. I also have IPAH. I am in almost constant pain. I needed surgery on my arm, but because of the IPAH, they didn't do it. It healed badly, crooked, and aches. I'm losing hope.