Autonomic nerves carry information from the brain and spinal cord to various body parts, including the heart, blood vessels, intestines, pupils, and sweat glands. When these nerves are damaged, it can affect the body in many ways, one of which is an inability to tolerate heat. Autonomic neuropathy can result from many conditions, including alcohol abuse, diabetes, multiple sclerosis, spinal cord injury, Parkinson disease, or surgery or injury involving the nerves.

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.