Suggest Treatment To Manage Pain After A Thalamic Stroke

my husband has had thalmic stroke, has pain, no feeling of hot or cold down to toes, skin is very sensitive, all this is on right side. and we have been to pain clinic after pain clinic, on med. that make him crazy, a pain thing installed and taken out WITH NO RELIEF AT ALL. WHERE IN THE WORLD DO WE GO NEXT , THIS HAS BEEN 6 YEARS OR MORE, HAS HAD LUMBAR 7&8 HIP REPLACEMENT , HAS HEART PROBLEMS I WISH SOMETHING COULD BE DONE