Symptom Checker - Anhidrosis 

​Differential diagnosis of anhidrosis are :
-dehydration
-radiant heat or pressure
-anti cholinergic
-sympathetic nerves lesions
-spinal cord lesions
-sweat ducts obstruction 
-medullary lesion
-pons lesion 
-hypothalamus lesion 
-hysteria
-congenital disturbance of the sweat gland.