The most commonly reported side effects of sodium iodide i-131 include hypothyroidism, hypothyroidism, and nausea, based on 2,370 FDA adverse event reports from 2004 to 2025. 2.1% of reports found the drug to be ineffective.
Percentages show how often each reaction appears relative to total reports for sodium iodide i-131.
These are voluntary reports and do not establish that sodium iodide i-131 caused these reactions.
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Other drugs that appear in adverse event reports alongside sodium iodide i-131. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.
Also suspected
Taken alongside
Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.
48.8% of sodium iodide i-131 adverse event reports involve female patients and 24.8% involve male patients. The largest age group is adult at 59%. These figures reflect who reports side effects, not underlying risk.
Sex
Age group
Conditions and purposes for which patients were taking sodium iodide i-131 when the adverse event was reported.
Showing 15 of 168 indications
Sodium Iodide I-131 is sold under the brand name Sodium Iodide I 131.
An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.
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