Cholecystitis gallbladder stones back discomfort for more than 3 months is mainly caused by disease factors. It is possible to feel discomfort in the back as the site nerve impulses from the painful part of the gallbladder are reflected through the spinal cord to the right phrenic and brachial plexus nerves, which leads to pain in the corresponding innervated areas. When cholecystitis gallbladder stones attack after serious condition, the visceral nerve afferent process will be intersected with the body nerves in the same ganglion, so that the brain will think that not only the location of the gallbladder has a problem, but also the location of the back body may have a problem, so there will be involved pain, so it is possible to cause discomfort in the back. It is recommended to ask your doctor about these symptoms, and he or she will give you the appropriate treatment according to your situation.