*7.2.3 Complications*

Pain in the gland can develop in the week after I-131 therapy in less than 10% of the patients. It can be managed by symptomatic treatment with analgesics for 1–2 days. There may be temporary exacerbation of thyrotoxicosis, requiring treatment with ATDs, glucocorticoids and iodine preparations. Long-term risks include the theoretical risk of secondary malignancies following radiation [36].
