THYROID SCAN MEDICATION LIST
You will need to stop taking several medications prior to the Thyroid Scan. Below is a list of the medications and the length of time you will need to stop taking them prior to your exam. Please consult your doctor before stopping any medication.
Thyroid Medications
- Thyroxine (Synthroid, Levothyroid, Levoxyl): 2 weeks
- Liothyronine (Cytomel, Thyrolar): 2 weeks
Iodide-Containing Drugs
- SSKI, Lugol’s solution: 2 weeks
- Amiodarone (Cordarone), benziodarone: 2 weeks
- Iodoquinol (Diodoquin) (amebicide): 2 weeks
- Expectorants - Calcidrine Syrup (CaI2), iodinated glycerol, hydriodic acid syrup: 2 weeks
- Echothiopate iodide (ophthalmic): 2 weeks
- Isopropamide iodide (anticholinergic): 2 weeks
- Vitamin and mineral products: 2 weeks
Other Drugs
- Phenylbutazone (apo-Phenylbutazone): 1 week
- Sulfonamides (Septra [DS], Apo-Sulfatrim, Novo-Trimel [DS] , Nu-Cotrimox, Coptin, Pediazole): 2 weeks
- Adrenal and gonadal steroids: 2 weeks
- ACTH (Cortrosyn, Synacthen Depot): 2 weeks
Topical Iodide Products
- Iodochlorhydroxyquin (Clioquinol): 1 – 9 months
- Iodine tincture: 2 weeks
- Povidone iodine: 2 weeks
- Iodoform gauze: 2 weeks
X-Ray or CT Dye (Contrast Media)
- Hypaque Meglumine, Hypaque Sodium (Winthrop): 4 weeks
- Lipiodol, Ethiodol (Fougera): 1 year or more
- Cholografin Meglumine (Bracco): 3 months
- Telepaque (Nycomed): 2 months