Do you take a calcium supplement, and have you ever consulted a competent chiropractor? You may be beyond that, but it might be worth checking with one before submitting to surgery.

Feverfew is supposed to be good for migraines, but it can permanently change how some of the muscles work, so do some research before trying it.

Other areas to explore are acupuncture and homeopathy.

There may be some useful herbal preparations you could use as salves to help deaden the pain as well. With what you are already taking, that would probably be the best avenue for you to go regarding herbs.

If you are willing to share the cause of your condition, it might suggest other possibilities to others on this board.

Use reclining chairs with caution. Unless the small of the back receives adequate support, they can be part of the problem.

Also, the alignment of the head with the neck and back needs to be carefully monitored. It is usually necessary to use smaller and narrower pillows than are generally available while sleeping. A towel can be folded in various ways and covered with a pillowcase if a pillow of the right size cannot be found, and is easily adjustable by refolding it as needed. Note the carved "pillows" Geisha used to use in Japan. Humans do not necessarily always need or benefit from soft, squishy pillows.

If you can locate a skilled rehab specialist, he or she can assist you in building musculature that can support your skeleton better, essentially providing internal muscle cushions that help protect the defective interstices between your bones. It is worth asking around to find a truly skilled one. The best one I was able to find also had a black belt in one of the martial arts.