Hypothyroidism? or what?

I have most of these symptoms and am wondering if all that I am dealing with is a result of Hypothyroidism. I guess I need to call my Doc and ask her to test me. Also wondering if anyone else has been tested or had this?
What is hypothyroidism?
Hypothyroidism is a condition characterized by abnormally low thyroid hormone production. There are many disorders that result in hypothyroidism. These disorders may directly or indirectly involve the thyroid gland. Because thyroid hormone affects growth, development, and many cellular processes, inadequate thyroid hormone has widespread consequences for the body.
Here is a list of symptoms that might be caused by low thyroid:

Dry, thick skin
Hair thinning
Painful muscles and joints
Depression
Memory problems
Constipation
Heavy, irregular or prolonged menstrual periods
Low body temperature (below 97.8°F first thing in the morning)
Low blood pressure
Puffy eyes and face
Slow pulse
Reduced libido
Poor memory
Fatigue
Chronic sinus infections
Headaches
Sweating abnormalities
Migraines
Heat and/or cold intolerance
Irritability
Fluid retention
Anxiety
Panic attacks
Frequent colds and sore throats
Lightheadedness
Ringing in the ears
Decreased concentration
Slow wound healing
Easy bruising
Unhealthy nails
Acid Indigestion
Cold hands or feet
Inappropriate weight gain
Hypoglycemia
Falling asleep during the day
Itching
High cholesterol
Loss of outside portion of eyebrows