A member asked:
can hyperthyroid change into hypothyroid after the problem gets leveled out? two years ago i had hyperthyroid. i lost 50 lbs but after being treated for it i've gained back the weight. now, no matter what i do as in exercising and dieting, my weight conti
2 doctor answers
Dr. Joseph Saitta answered
38 years experience Endocrinology
Yes, : Yes, and there are several ways in which this can happen. If the hyperthyroidism was caused by a thyroiditis (inflamation of the thyroid) there is typically a hyperthyroid phase followed by a hypothyroid phase. In most cases the thyroid levels then return to normal, but in about 5% of cases the gland never recovers and permanent hypothyroidism ensues. In graves' disease, about 1% of patients will go from hyperthyroid to hypothyroid each year as a consequence of the autoimmune attack on the gland. Treatment with radioactive iodine for hyperthyroidism will result in hypothyroidism in about half of the treated patients.
Answered on Oct 3, 2016
Dr. Leon Katz answered
29 years experience Bariatrics
Yes you are right: One can definitely go from hyper to hypothyroid after successful treatment. My advise is to have your doctor run a thyroid panel on you and you will know relatively quickly i you are currently hypothyroid.
Answered on Jun 7, 2013
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