What is anhidrosis?
A person with anhidrosis does not sweat when exposed to warm temperatures. Anhidrosis is very rare, and the cause is unknown.

What are the symptoms of anhidrosis?
Symptoms of anhidrosis include dry skin, fatigue, fever, headache, nausea, and lack of sweating in a warm environment.

How does the doctor treat anhidrosis?
The treatment for anhidrosis depends on the underlying cause.