Hello
Increased heart rate,Sweating,Fatigue,Heat Intolerance are all characteristics symptoms of hyperthyroidism.You should get your thyroid Hormones T3,T4 and TSH checked.
Check this link
http://www.medicinenet.com/hyperthyroidism/page3.htm
Second possibility could be these are menopausal hot flushes.
Check this link
http://www.abc.net.au/science/menopause/hormones.htm
http://en.wikipedia.org/wiki/Hot_flush
Edited by dr_amitmunjal on September 4 2006 at 5:13pm__________________
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