Ive went to the Dr,I thaught my thyroid had something wrong,I have a lump on the side.She told me medapause.The nurse called An told me my vitamine D was at 15,told me to start 1000 units of vitamine d,Set me up for ulrasound.Im really tired,cant stand to get cold,musle cramps,hair thin and falling out.Flue like symptoms.Joint pain.Last month loosing weight,this month gaining.Can sleep round the clock somedays others cant sleep.Very moody.Get hot flashes,sweat.Can anyone help me to understand?The more I read the more scared I get