Hi, im over two years out from breast cancer, my cancer was estrogen driven,as i was already in menopause, but now im unable to take anything for my hotflashes, i have now also had a nodule and the left side of my thyroid removed Oct of 2014, i have in the last few weeks have been having these episodes of sweating profusely, from head to toe, just sheets of water for some odd reason, what can be causing this debilitating state ?