To prepare for your Thyroid Uptake and Scan, please follow these instructions below:    • Please do not eat or drink anything 1 hour prior to your appointment. • The following medications will affect your study. Please consult with your physician before stopping any medication listed. - Radiographic Contrast - 6 weeks prior - Thyroid Hormone Snythroid (Levoxyl, Levothyroxine) - 6 weeks prior - Amour Thyroid - 4 weeks prior - Cytomel - 2 weeks prior - PTU (Propylthiouracil) - 5 days  - Tapazole (Methimazole) - 5 days - Perchlorate - 5 days - Topical Iodine Compounds - 4 weeks - Lugol’s Solution - 4 weeks - Potassium Iodide - 4 weeks - Kelp - 4 weeks - Anti-Parasitic Drugs (Iodochlorhydroquin) - 4 weeks - Amiodarone Hydrochloride - 4 weeks - Multivitamins (includes nutrition drinks or shakes) - 1 week - Fish Oil (includes nutrition drinks or shakes) - 1 week - Antihistamines - 1 week - Cough & Cold Medications - 1 week - Butazolidin - 1 week - Acth & Corticosteroids - 1 week - Sulfonamides - 1 week - Seafood (Any Type) - 3 days