What are some of the side effects of chronic pain?

Continued untreated chronic pain has caused in me insomnia, bouts of depression, increased anxiety, mood swings, inability to function around the house like do simple chores or make meals. I am lucky that part of my overall SLE plan is to control the pain levels to a 4 or so so that many of those symptoms go away. There are high level pain days however (like today) that throw bumps in the road and bring esp. the anxiety back.

I move in 3 months and I worry about rebuilding my medical team and weather or not getting my pain levels will go as smoothly. I pray that they will but that is all I really can do for now.

pain causes lack of sleep.
lack of sleep increases sensitivity to pain
feedback

lack of sleep is all around bad for brain function.
depression, cognitive decline, loss of attention

It grinds you down over time.