There are a few inherited peripheral neuropathies in which autonomic dysfunction, whether clinical or subclinical, is detected (see below). 1. Hereditary sensory and autonomic neuropathies types I, II, III* (see Chapter 103), IV and V. 2. Hereditary motor and sensory neuropathy types I and II (Charcot–Marie–Tooth disease 1, 2). 3. Fabry’s disease.* 4. Multiple endocrine neoplasia type 2B. 5. Amyloidosis* (see Chapter 99). 6. Porphyrias.*