Diet and exercise may go quite a long way to help. Reduce sodium intake, try to abstain from alcohol (I know it's hard for some when in continuous pain), and stretch in the mornings to help your body in displacing inflammatory fluid. DRINK WATER.
Your may want to work with your doc on emergency pain management plans for stretches of time like this as well. Steroids and light pain meds may help to get you moving and it of the despair.