Constipation due to hypothyroidism – VnExpress

Thyroid cancer patients who are prescribed total thyroidectomy, if not supplemented with adequate thyroid hormone, may experience constipation, weight gain, fear of cold…

I have papillary thyroid cancer with both lobes removed and lymph nodes removed. I take iodine 131 according to prescription, since then I have been constipated. I took laxatives with liver detoxification support also did not improve. Please consult your doctor. (Told him)


When patients have thyroid cancer, patients are often prescribed total thyroidectomy. In fact, after a total thyroidectomy, a portion of the thyroid gland remains. When the patient is further treated with radioactive iodine, the radioactive iodine will reach and destroy both benign and malignant thyroid cells. After killing all the thyroid cells of the body, the patient will develop hypothyroidism.

Without adequate thyroid hormone supplementation, hypothyroid patients often have weight gain, fear of cold, slow body metabolism, edema, and constipation. So, I think your case is very likely to be hypothyroid and not be supplemented with adequate thyroid hormone, so you have symptoms of constipation. You need to go to the hospital for the doctor to give you orders for a thyroid hormone test. If the amount of thyroid hormone is not enough, it needs to be supplemented, the symptoms of constipation will be reduced.

Doctor, Doctor Hoang Kim Uoc
Head of the Department of Endocrinology – Diabetes, Tam Anh General Hospital, Hanoi


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