<s>[INST] Hi, I am 53, diagnosed with Hashimoto's disease. I feel as if I will faint often, but I do not faint. When I catch it i begin to breath deeply and it goes away. Any Ideas why I feel faint so foten. It is mostly when I am exhaused which is often. Thanks (height 5'2", weight 162) i am on no medeication at this time. But I do take vitamins and herbs and I have gone on a special diet that eliminates gluten, dairy, soy, peanuts and beef. [/INST] Hi, Hashimotos disease is autoimmune thyroiditis where initially hyperthyroidim and then hypothyroidism occursFatigue, generalized weakness , feeling faint are the symptoms  of the diseaseYou should consult general physician /Neurologist for clinical examination You require thyroid profile test ,and blood antibody test for confirming the disease and thyroid replacement drugs .Please consult your local doctor/specialist for a prescriptionRegardsDr Sandhya ManorenjNeurologistHi Tech city hyderabad </s>