I have read this forum for several hours and have already gotten some answers. I was prescribed Percocet for severe muscle spasms in my back. Usually 1 or 2 would nip the spasm before it got too bad. Then I discovered it helped me sleep also! I also found it helped my mood, i.e., made me more talkative to my husband, more interesting. You all know the rest of the story. I am on day 9 without taking any Percs - but I've made a terrible mistake in taking Ambien, Valium or Xanax to help me sleep. I was prescribed Valium 30 years ago for jumpy legs at night and they helped. I stopped taking the Valium and relied on 1 or half of 1 Perc to help me sleep. Ambien does nothing for me. Xanax seemed to help a little but nothing like the small dose of Perc. I started having nausea, no ambition, extremely tired for no reason, constipation and the general feeling of not wanting to do anything. So I stopped taking the Perc 9 days ago. I've already been through the chills and sweats at night and my bowels are starting to be normal again although sleep is being very elusive. My question is I have a couple other symptoms that I haven't seen mentioned. Has anyone experienced any ankle swelling or swelling in general? I also have had several red spots on my body that itched terribly and once I scratched the itch, the area was hard as a rock. I thought these were bites but they're not. I haven't had any new ones in over a week. Can someone comment on this please?