Table 5.

Causes of chronic axonal neuropathies

1.	Drug and toxin: Alcohol, vincristine, phenytoin, organophosphate, statins, metronidazole, dapsone
2.	Infection: Leprosy, HIV, Borreliosis
3.	Connective tissue: Sjogren's syndrome, systemic lupus erythematosus, rheumatoid arthritis
4.	Metabolic: Diabetes, chronic renal failure
5.	Paraneoplastic: Carcinoma of the lung and ovary.
6.	Inherited: CMT 2 and CMT X
7.	Vitamin deficiency: B12, Folic acid, Vitamin E
8.	Endocrine: Hypothyroidism
9.	Paraproteinemia: Myxedema, Waldenstorm's disease, Benign monoclonal gammopathy