Table 2: Causes of small fiber neuropathy [6].

Idiopathic

Familial amyloidosis
Autosomal recessive hereditary neuropathy
Hereditary sensory and autonomic neuropathy
InheritedFabry's disease
Ross syndrome
Friedreich's ataxia
Tangier disease
Diabetes mellitus
Impaired glucose tolerance
Alcoholism
Systemic amyloidosis
Vasculitis
Sarcoidosis
Sjögren's disease
AcquiredSystemic lupus erythematosus
Guillain-Barre syndrome
Antecedent viral infection
HIV
Antisulfatide antibodies
Hyperlipidemia
Complex regional pain syndrome
Paraneoplastic syndrome
Neurotoxic medication