Table 3

Differential diagnosis of diabetic neuropathies

Metabolic disease
 Thyroid disease (common)
 Renal disease
Systemic disease
 Systemic vasculitis
 Nonsystemic vasculitis
 Paraproteinemia (common)
 Amyloidosis
Infectious
 HIV
 Hepatitis B
 Lyme
Inflammatory
 Chronic inflammatory demyelinating polyradiculoneuropathy
Nutritional
 B12*
 Postgastroplasty
 Pyridoxine
 Thiamine
 Tocopherol
Industrial agents, drugs, and metals
 Industrial agents
  Acrylamide
  Organophosphorous agents
 Drugs
  Alcohol
  Amiodarone
  Colchicine
  Dapsone
  Vinka alkaloids
  Platinum
  Taxol
 Metals
  Arsenic
  Mercury
Hereditary
 Hereditary motor, sensory, and autonomic neuropathies
  • *B12 deficiency is more commonly associated with malabsorption rather than nutritional deficiency.