Does Radioactive Iodine I 131 And I 123 Interact with Ethiodized Oil?
CDI records a major classification for Radioactive Iodine I 131 And I 123 and Ethiodized Oil. The stored summary is: Ethiodized oil interferes with radioactive iodine uptake by the thyroid for several weeks to months and may reduce effectiveness of iodine 131 treatment. The mechanism involves interference with radioactive iodine uptake by thyroid tissue. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This record was extracted from drug labeling through openFDA. NIH/NLM RxNorm is used for drug identities. The summary and severity classification are CDI's processed information, not a verbatim source quotation. Product, route, and patient circumstances matter.
- Severity
- Major
- Ethiodized Oil Class
- Radiographic Contrast Agent
- Management
- Close medical supervision required
- Data Source
- U.S. FDA via OpenFDA
Recorded Mechanism
Interference with radioactive iodine uptake by thyroid tissue
What To Tell Your Doctor or Pharmacist
If you are taking Radioactive Iodine I 131 And I 123 and your doctor is considering prescribing Ethiodized Oil (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Ask how frequently you should be monitored while these are co-prescribed
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider