Hello Mark, Welcome to HealthcareMagic Forum.
You should be getting yourself Re-examined by your Orthopedist so that he can examine you thoroughly and suggest MRI or CT scans or if necessary Nerve Conduction Studies to know what exactly is causing your Pain. You History suggests, either you have Sciatica
or Herniated Disc
. These has to be ruled out so that Proper Treatment could be initiated or to know if the compression is still there. You are on right medications, just take them as directed by your Doctor and go for regular follow up.
Do regular exercises which don't strain your Back, which could be low impact aerobic activities, if you smoke or Drink, QUIT. Maintain a healthy weight. Avoid high calorie foods and eat healthy nutritious balanced diet which should include fresh fruits and Green leafy vegetables. Avoid stress
and Practice relaxation techniques
like Yoga and Meditation
Wish you Good Health.