hello I am a 64 year old woman . a thyroid was discovered in my neck about two yrs. ago.it was tested and I was okay. no need for medicaton or any other treatments. just this month I had a rapid weigth lost and a great bit of hair lost. my appitite has decrease and a lot of upset stomach and nausea,my primary provider has made my visit as, 240.9 goiter eo4.9 goiter...704.00 hair loss l65,9 hair loss...1. ad a referral to ear, nose and throat center.. yet my blood test was abnormal and my level to thyroid hormone level was abnormal. I am due for a sonogram follow up with a biosphy .. .. my question is what do I do for the nausea and having upset stomach. also I heard from someone that I could stop breathing during my sleep. if true what do I do to lessen that possibility. no energy or motivation, drive or desire o get up and do my daily routine. when or what symptoms should I be concern about that would have me go to the er