I have occasional back pain from 4 years .. occasional means 1 or 2 times in 2 months ..pain only in night ..md medicine doctor advised sonography to evaluate
kidney stone .. sonography comes normal ..given some pain killers ..again problm starts ..then I consulted orthopedic ..he told to do x ray ..x ray come normal ..he told to exercise and yoga ..so what is the problem with my back . Anyone would explain please . Note ( pain lasts for roughly hour )