when I wake up ,stand up and walk my feet both feel broken the balls and heels continue to hurt all day most days. I felt this once before 15years ago when on a blood pressure med. told doc he changed med. stopped the meds completely after ashort time I didn't need to correct the blood pressure any longer. seems like it started hurting again when the doc put me on mscontin for pain due to injury of femur from bad accident 20 years ago also take oxycodone for pain. had skin graft too when I broke leg. have sciatica and fibromyalgia. 58 years old with arthritis as well.20 of thirty days a month or more my feet are killing me help what is going on here? do I need to change meds or get to the foot doc asap?