I am on perks 7.5 /500mg every 4to 6 hrs prn and xanaxat bedtime for muscle spasms and ambien I am a paraplegic for 35yrs now have had many back surgeries the pain has moved to my hips and wakes me several times nightly.I have tried cymballta and stayed very sleeply during daytime.. have forgotten what a day or night with out pain is like,