Dysautonomia shows up as what kinds of symptoms in your body?

Autonomic NS. Dysautonomia is term used when parts of the autonomic nervous system are not working correctly. This could effect many things like blood pressure, heart rate, sweating, salivation, GI motility, ability to focus vision, problems with erection, etc. These problems can be chronic and progressive or sometimes reversible.
Many possible. Dysautonomia is such a broad term that there many possible symptoms depending on which parts of the autonomic nervous system are affected. The most common symptoms are excessive thirst, excessive fatigue, dizziness or lightheadedness, rapid or slow heart rate, fainting (due to low blood pressure), and extreme anxiety that is not due to psychological causes. These symptoms are not disease specific.