Congenital insensitivity to pain with anhidrosis (CIPA) also known as hereditary sensory and autonomic neuropathy type IV, is an inherited disease where there is an inability to feel pain and temperature, and decreased or absent sweating ().The signs and symptoms of CIPA usually appear at birth or during infancy. The inability to feel pain and temperature often leads to repeated, severe …

https://rarediseases.info.nih.gov/diseases/3006/congenital-insensitivity-to-pain-with-anhidrosis