The autonomic nerves also control blood pressure. If peripheral neuropathy disrupts autonomic nerves, a person can experience hypotension or low blood pressure. This can bring on many symptoms, including fatigue, dizziness, and palpitations, as well as nausea, blurred vision, and, in extreme cases, fainting. As with gastric problems, these symptoms of autonomic neuropathy tend to go undetected or be misdiagnosed.

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