Use of radioactive iodine is an essential adjuvant treatment strategy after thyroidectomy in
patients with differentiated thyroid carcinoma. Although generally safe, radioiodine therapy
has some potential side effects, classified as early and late complications, which we have
reviewed in this paper. Early complications include gastrointestinal symptoms, radiation
thyroiditis, sialadenitis/xerostomia, bone marrow suppression, gonadal damage, dry eye,
and nasolacrimal duct obstruction. The late complications include secondary cancers …