Autonomic neuropathy

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Definition Symptoms Causes Risk factors When to seek medical advice

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Definition

Autonomic neuropathy is a type of peripheral neuropathy that affects involuntary body functions, including heart rate, blood pressure, perspiration, digestion and other processes. Instead of a specific disease, autonomic neuropathy refers to damage to the autonomic nerves that results in a variety of signs and symptoms. This damage disrupts signals between the brain and portions of the autonomic system such as the heart, blood vessels and sweat glands, resulting in decreased or abnormal performance of one or more involuntary body functions.

Autonomic neuropathy can be a complication of several diseases and conditions. Some medications cause autonomic neuropathy as a side effect, as well. Signs, symptoms and treatment vary widely depending on the cause, and on which nerves are affected.

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Symptoms