Cut-and-pasted below is perhaps the most thorough list I've ever come across of anxiety symptoms on one site [anxietycentre.com]. Most are somewhat familiar but there may be a few surprises. Even with this long list, individuals could still add more from personal experiences. [Butterflies in the stomach, anyone?]

www.anxietycentre.com/anxiety...ms.shtml

Body

* Burning Sensations throughout the body
* Chronic Fatigue
* Electric shock feeling
* Excess of energy, you feel you can’t relax
* Feel like you are going to pass out or faint
* Feeling cold or chilled
* Hyperactivity, excess energy
* Increased or decreased sex drive
* Muscle twitching
* Neck, back, shoulder pain, tightness/stiffness
* No energy, feeling lethargic, tired
* Numbness or tingling in hands, feet, face, head, or any other places on the body
* Persistent muscle tension, stiffness
* Sore or tight scalp or back of the neck
* Startle easily
* Sweating, uncontrollable profuse sweating
* The floor feels like it is moving either down or up for no reason
* Trembling or shaking
* Urgency to urinate, frequent urination, sudden urge to go to the washroom
* Warm spells
* Weak legs, arms, or muscles
* Weight loss, weight gain

Chest

* Chest pain or discomfort
* Concern about the heart
* Feel like you have to force yourself to breath
* Find it hard to breath, feeling smothered, shortness of breath
* Frequent yawning to try and catch your breath
* Heart – beating hard or too fast, rapid heartbeat, palpitations
* Heart - Irregular heart rhythms, flutters or ‘skipped’ beats, tickle in the chest that makes you cough

Emotions (see mood)
Fears

* A heightened fear of what people think of you
* Afraid of being trapped in a place with no exits
* Constant feeling of being overwhelmed.
* Fear of being in public
* Fear of dying
* Fear of losing control
* Fear of impending doom
* Fear of making mistakes or making a fool of yourself to others
* Fear of passing out
* Fear that you are losing your mind
* Fears about irrational things, objects, circumstances, or situations
* Fears of going crazy, of dying, of impending doom, of normal things, unusual feelings and emotions, unusually frightening thoughts or feelings
* Heightened self awareness, or self-consciousness
* Need to find nearest washrooms before you can feel comfortable
* Need to seat near exits

Head

* Burning, itchy, tight scalp
* Dizziness or light-headedness
* Frequent headaches, migraine headaches
* Feeling like there is a tight band around your head, pressure, tightness
* Head, neck or shoulder pain, tightness/stiffness
* Giddiness
* Shooting pains in the face
* Shooting pains in the scalp or head
* When you close your eyes you feel like are beginning to, or will, float upwards
* Sore jaw that feels like a tooth ache
* TMJ (Temporo-Mandibular Joint) - clenching of the jaw or grinding of the teeth

Hearing

* Frequent or intermittent reduced hearing or deafness in one or both ears
* Low rumbling sounds
* Ringing in the ears, noises in the ears, noises in the head

Mind

* Deja Vu, a feeling like you've done or experienced something before
* Desensitization, depersonalization
* Difficulty thinking, speaking, forming thoughts, following conversations
* Fear of going crazy
* Fear of losing control
* Fear of impending doom
* Feelings of unreality
* Frequent feeling of being overwhelmed, or that there is just too much to handle or do
* Having difficulty concentrating
* Obsession about sensations or getting better
* Repetitive thinking or incessant ‘mind chatter’
* Underlying anxiety, apprehension, or fear
* You often feel you are carrying the world on your shoulders

Mood / Emotions

* Always feeling angry and lack of patience
* Depression
* Dramatic mood swings (emotional flipping)
* Emotionally blunted, flat, or numb
* Emotional "flipping" (dramatic mood swings)
* Emotions feel wrong
* Everything is scary, frightening
* Feeling down in the dumps
* Feeling like things are unreal or dreamlike
* Frequently being on edge or 'grouchy'
* Frequently feel like crying for no apparent reason
* Have no feelings about things you used to
* Not feeling like yourself, detached from loved ones, emotionally numb
* Underlying anxiety, apprehension, or fear
* You feel like you are under pressure all the time

Mouth/Stomach

* A ‘tinny’, ‘metallic’ or ‘ammonia’, or unusual smell or taste
* Aerophagia (swallowing too much air, stomach distention, belching)
* Choking
* Constant craving for sugar or sweets
* Constipation
* Diarrhea
* Difficulty swallowing
* Difficulty talking, pronouncing certain letters or sounds, mouth feels like it isn't moving right, slurred speech
* Dry mouth
* Feeling like you can’t swallow properly or that something will get caught in your throat
* Feeling like your tongue is swollen
* Frequent upset stomach, bloating, gaseous
* IBS
* Lack of appetite or taste
* Lump in the throat, tight throat, something stuck in your throat
* Mouth muscles twitching/jumping
* Nausea or abdominal stress
* The thought of eating makes you nauseous
* Tight throat, lump in throat
* Tongue twitching
* Urgency to urinate, frequent urination, sudden urge to go to the washroom
* Vomiting

Skin

* Burning skin sensations, skin sensitivity
* Skin problems, infections, rashes

Sleep

* Difficulty falling or staying asleep
* Frequent bad, bizarre, or crazy dreams
* Hearing sounds in your head that jolt you awake
* Insomnia, or waking up ill in the middle of the night
* Jolting awake
* Waking up in a panic attack
* You feel worse in the mornings

Sight

* Distorted, foggy, or blurred vision
* Dry, watery or itchy eyes
* Eye tricks, seeing things our of the corner of your eye that isn’t there, stars, flashes
* Eyes sensitive to light
* Spots in the vision
* Flashing lights when eyes are closed
* Your depth perception feels wrong

Touch

* Burning skin sensations, skin sensitivity
* Feeling cold or chilled
* Numbness
* Pain
* Tingling, pins and needles feelings

Other symptoms are described as:
Being like a hypochondriac, muscle twinges, worry all the time, tingles, gagging, tightness in the chest, tongue twitches, shaky, breath lump, heart beat problems, head tingles, itchy tingling in arms and legs, and so many more.

In addition to these symptoms, you may also find yourself worrying compulsively about:
• Having a heart attack
• Having a serious undetected illness
• Dying prematurely
• Going insane or losing your mind
• Harming yourself or someone you love uncontrollably
• Being embarrassed or making a fool out or yourself
• Losing control
• Fainting in public
• Not breathing properly
• Choking or suffocating
• Being alone