Autoimmune polyglandular syndrome- Occasionally, chronic autoimmune thyroiditis may occur in association with other autoimmune disorders such as adrenal insufficiency, pernicious anemia, and insulin-dependent diabetes mellitus. When thyroid hormone levels decrease, TRH and TSH secretion increase. MedicineNet does not provide medical advice, diagnosis or treatment. Tried to inform the manufacture, but they did not want to hear what had discovered. What about fluids? Can drink water? Diet coke? Milk? What exactly am trying to avoid?First of all, don think it is necessary to take levothyroxine at the same time every day. The frequency of TSH monitoring during levothyroxine dose titration depends on the clinical situation but it is generally recommended at 6-8 order or buy levothyroxine online clinic week intervals until normalization. If you get too little levothyroxine, your hypothyroidism is undertreated, leaving you with symptoms that may include exhaustion, weight gain, depression, infertility, and an increased risk of heart disease, among others.