"i use myoflex when my pain medication will not ease the constant pain i have from raynaud&#039;s, fibromyalgia, rhematoid arthritis, osteoarthritis.  you name it.  my husband buys this cream for me by the case directly from the manufacture. i can not believe how well this works. better than morphine. my physical therapist introduced this cream to me over 10 years ago and i have used it since. so does all of my family."