I'm new to this forum .iv been going to the doctors about anxiety related symptoms. anti depressents haven't worked . I'm now on beta blockers but the doctor wants to do blood tests on Friday for my thyroid . symptoms I'm getting are hot, shaky , headaches , muscle aches , muscle weakness, blurred vision, ibs related symptoms (upset tummy) . anxiety , panicky , faster heart rate, sicky feeling , stomach pains, a little weight loss. just really feeling unwell . could my thyroid be causing this ?