<unk>  (AIGA) is characterized by<unk>  absence of sweating without other autonomic and neurologic dysfunction. AIGA is classified into 3 subgroups:<unk>  pure sudomotor failure (IPSF), sweat gland failure (SGF), and sudomotor neuropathy, with each subgroup presenting a different pathogenesis.
Acquired idiopathic generalized anhidrosis
Focal hyperhidrosis
Lipoatrophia semicircularis
Prepubertal hypertrichosis
Idiopathic pure sudomotor failure
Uncombable hair syndrome
Floppy eyelid syndrome
Ophthalmodynia periodica