Medication NamesPrototype Med | Radioactive Iodine | | | Iodine 131 |
ACTION: The thyroid gland absorbs radioactive iodine, which gradually destroys thyroid tissues and the function of the thyroid gland. Therapeutic UseHyperthyroidism (Graves’ disease) | Thyroid cancer |
Adverse Drug ReactionsHypothyroidism (expected for most clients, but still requires drug thera- py) | Bone marrow depression (rare) | Radiation sickness (rare) |
Nursing InterventionsMonitor thyroid function. | Monitor for indications of thyroid dysfunction (drowsiness, depression, weight gain, edema, bradycardia, anorexia, cold intolerance, dry skin, menorrhagia). | Monitor CBC and platelet count at baseline and periodically thereafter. | Monitor for indications of anemia, leukopenia, and thrombocytopenia. | Monitor for manifestations of radiation sickness (hematemesis, epistax- is, intense nausea, vomiting). |
| | Drug AdministrationGive orally. | Obtain a negative pregnancy test before administration. | Measure baseline vital signs and weight and monitor periodically there- after. | Dosage is miniscule for thyroid disorders, larger for thyroid cancers | Initiate radiation precautions for large doses (limited contact, increased fluids, body waste disposal per facility protocol). |
Patient EducationWatch for and report anxiety, drowsiness, depression, weight gain, swelling, slow heart rate, appetite loss, cold intolerance, dry skin. | Report fever, sore throat, weakness, or fatigue. | Report bloody vomit, nosebleeds, or severe nausea and vomiting. |
ContraindicationsPregnancy: teratogenic effects | Lactation |
PrecautionsChildren prior to puberty |
InteractionsOther antithyroid drugs reduce uptake. |
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