Thyroid disease can be hyperactive or hypoactive. You see, the thyroid gland is the one that partly controls your metabolism. The thyroid gland also secretes calcitonin which is responsible for absorption of calcium from the bloodstream or GI tract. So if you have a hyperactive gland, you will most likely experience weight loss, agitation, fatigue, heat intolerance, palpitaion, tachycardia, hypertension, perspiring too much, etc. Just imagine yourself continuing burning calories even when you're just lying on the couch. If you're hypoactive, it's the opposite: weight gain, hair loss, hypotension, always feeling cold, but also tired too, because you don't have any energy.
It surely is easily treated these days and very manageable, if you're hypoactive, they will prescribe you with a thyroid hormone replacement like synthroid. If it is hyperactive, most cases is due to a tumor (benign or malignant), It's either surgery (most of the time) or if it's benign sometimes they give you an antithyroid drug (PTU). It depends on how much tissue is removed (if ever surgery is opted) they may not only give you thyroid replacement, but also calcitonin, to prevent bone breakage. And it is a life-long treatment, othr than this, you can have a normal life.
Well, this disease is fairly common, so it will be easy for them to make a diagnosis for you. They'll most probably do a thyroid scan for confirmation.
Have it treated seriously, there are some permanent effects if not treated for long like eye problems (exophthalmos- bulging eyes), and cardiovascular problems- if hyperactive. Good Luck!
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