You should discuss this with your doctor, whether you need an adjustment of doses of the Thryoxine supplement. Your doctor will decide whether you need an adjustment.
Some recent studies indicate that even with normal TSH levels, a person could still be having some effects of hypothyroidism.
Since your thyroid hormones are normal on blood tests, your doctor will not prescribe extra thyroxine. However, since you are having all the symptoms of hypothyrodism, you can try food supplements and natural therapies. The Supplements advisable are Vit. B and high doses of Vit. C. Also foods containing iodone, selenium, etc.
The other thing that you must discuss with your doctor is Chronic Fatigue Syndrome.
Chronic Fatigue Syndrome is characterised by extreme fatigue which is aggravated by exercise, pain and weakness of some muscles, tenderness at some points, headaches, nausea, dizziness, sleeplessness, loss of memory or concentration and flu like symptoms like sore throat, weakness, hypersensitivity to nonoxious fumes, etc.
The exact cause of this is unknown, but it is theorised that it could be a post viral illness. It is often associated with psychological conditions like depression and anxiety.
The treatment for this is mainly lifestyle changes.
Two important ways in which to combat this are:
Maintaining a positive attitude: see here.
Exercise: see here.
You should look up these sites for more info and tips:
http://familydoctor.org/online/famdocen/home/common/pain/disorders/031.html
http://www.mayoclinic.com/health/chronic-fatigue-syndrome/DS00395/DSECTION=1
You can look up here for further guidance:
http://thyroid.about.com/cs/shames/a/supplements.htm
http://www.nativeremedies.com/thyroid-assist-treatment-hypothyroidism.shtml
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