I have tremors,trouble reading, can t get up I m in wheel chair all ways tired,bladder trouble. Have to wear diapers, my kidneys work at about 50 percent see a doctor who takes care of, my kidney problem have lupus since about 11 years old see a pain management dr. My spine in horrible condition , get Injections to control pain polyimystisl not active currently , What do these symptoms point to overall?