Table 1.

Predisposing Risk Factors Associated with permanent Iodine-Induced Thyroid Dysfunction.

Individuals with Underlying Thyroid Disease
Graves’s disease
Hashimoto thyroiditis
Euthyroid with a history of subacute thyroiditis
Euthyroid with a history of postpartum thyroiditis
Euthyroid with a history of type 2 amiodarone–induced thyroiditis
Euthyroid with post-hemithyroidectomy
Euthyroid after interferon-γ therapy
Individuals with a family history of goiter or thyroiditis
Individuals with chronic iodine deficiency
Fetuses, preterm neonates, and newborn infants exposed to high doses of iodine through the placenta and milk
Elderly people with subclinical hypothyroidism
Patients taking medications such as expectorants or amiodarone that contains high concentrations of iodine
Patients with certain nonthyroidal disease such as chronic dialysis and cystic fibrosis, especially those taking sulfisoxazole.
Patients taking lithium