What is Dysautonomia?

Dysautonomia, (or Autonomic Dysfunction) is simply when a persons autonomic nervous system does not function properly.  The autonomic nervous system controls everything that your body does for you that you don't have to consciously think about !  That means when your autonomic nervous system doesn't work right, almost anything can go wrong! Kind of a scary thought isn't it?

Tachycardia (fast heart rate)
Bradycardia (slow heart rate)
Arrhythmia (irregular heart rhythm)
Low blood pressure
High blood pressure
Chest pain
Blood pooling
Flushing
Blotching
White patches
Hypovolemia (low blood volume)
Dizziness/Lightheadedness
Syncope/Presyncope (fainting, near fainting, blackouts .. ect)
Exercise intolerance
Cold hands and feet
Chills
Numbness and tingling sensations
Balance problems.

Insomnia
Nightmares/Vivid dreams
Sleep apnea
Seizures
Headaches/migraines
Vision problems
Unevenly dilated eyes
Sensitivity to light, sound, touch, smell, and temperature (and symptoms as a result from too much exposure)
Or the opposite, decreased sensitivity. 
Heat exhaustion/heat stroke 
Ringing in the ears


Gi problems including-

Food allergies
Refulx
Vomiting

Dry heaves
Nausea
Gastroparesis/motility problems
Dysphagia (problems swallowing)

Stomach and abdominal pain
Bloating
Diarrhea
Constipation 
Dry mouth
Failure to feel hunger
Taste and appetite changes 
(ect.. )

Polydipsia (excessive thirst) 
Irregular menstrual cycles
Bladder dysfunction (either excessive urination, or loss of ability)
Aphasia (speech disturbances)
Dysgraphia (handwriting difficulty)

Memory problems/Brain fog
Disorientation/Confusion 
Anxiety
Muscle jerks/convulsions
Hand tremors/shaking
Pain
Joint problems
Impotence (erectile dysfunction) 
Hair loss due to poor nutrition or lack of blood flow.
Dry eyes/mouth.
Inability to regulate body temperature
Increased or decreased sweating
Involuntary breath holding.
Salt cravings
Fatigue
swollen lymph nodes
Weight loss or weight gain despite diet modifications
Hypoglycemia
Insulin resistance 
Restless leg syndrome.
Hyperventilation

and more. 

Here is a more detailed list if you want more information.

 

http://www.sids-dysautonomia.com/symptoms.html