​Differential diagnosis of immobility in elderly

​Differential diagnosis of immobility in elderly 
-weakness due to neurological disorder, myopathy, electrolyte imbalance, malnutrition, anemia, disuse 
-anxiety 
-depression 
-drugs such as anti hypertensives, sedatives, neuroleptics, diuretics, antidepressants
-orthostatic hypotension 
-post prandial hypotension 
-stroke,
-peripheral neuropathy 
-cervical myelopathy 
-vestibular disorder
-cerebellar disorder
-foot pain due to ingrown toe nail, bunions, plantar warts, corns
-bursa or muscle pain such as bursitis or polymyalgia 
-joint pain such as hip fracture or arthritis 
-bone pain such as vertebral fracture, Paget’s disease, metastases,
-stiffness due to arthritis, polymyalgia rheumatica, parkinsonism