Health Topics

Autonomic Dysreflexia (AD)

Autonomic dysreflexia (AD), also known as hyperreflexia, results from the nervous system over-reacting to pain or discomfort.

Patients with a spinal cord injury above level T7 are at risk for autonomic dysreflexia.

AD can start quickly and is considered a life-threatening medical emergency.

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Causes of AD

Symptoms of AD

Treatment for AD

Preventive Care


Last Updated: 04/2014