Autonomic neuropathy is a group of symptoms that occur when there is damage to the nerves that manage every day body functions such as blood pressure, heart rate, sweating, bowel and bladder emptying, and digestion.
Autonomic neuropathy is a group of symptoms, not a specific disease. There are many causes.
Autonomic neuropathy involves damage to the nerves that carry information from the brain and spinal cord to the heart, bladder, intestines, sweat glands, pupils, and blood vessels.
I myself have severe diabetic peripheral neuropathy and am in constant pain 24/7; I've taken Hydrocodone, Methadone, Tramadol and Pamelor - all to no avail. I use the Lidoderm Lidocaine pain patches, but they also do not help. I don't what to tell you; except Good Luck with your treatment.