Preparation for Radioiodine Therapy

Radioiodine therapy is performed:

• 4–5 weeks after surgery
• 3–4 weeks after discontinuation of L-thyroxine
• Following an electrocardiogram (ECG) conducted 3 days prior to therapy
• After a computed tomography (CT) scan with contrast (to be completed 2–3 months before therapy)

It is necessary to discontinue iodine-containing medications and iodine-rich foods prior to treatment.

Pregnancy should be avoided.

Low-Iodine Diet (Permitted Foods)

The following foods are allowed in limited iodine content:

• All types of fresh and frozen fruits and vegetables
• Nuts
• Meat (chicken, beef, turkey)
• Dairy products
• Small amounts of egg whites
• Bread, corn, rice, vermicelli, crackers
• Coffee, cocoa, sugar, honey
• Non-alcoholic beverages that do not contain red coloring

  Prohibited Foods

• Iodized or sea salt
• Seafood and seaweed
• Canned fruits and vegetables
• Soy products and legumes
• Chocolate (especially milk chocolate)
• Beverages containing red coloring
• Mineral water

Upon Hospital Admission

Patients should bring clothing and personal items sufficient for a 3-day stay, including:

• Underwear and clothing
• Slippers
• Towels (bath and face)
• Bed linen (to remain at the hospital)

Personal items such as books, mobile phones, and laptops are permitted. Personal hygiene products (soap, shampoo) are provided by the hospital; however, patients may bring their own if preferred.

Important Information After Discharge

• Limit contact with the public and family members.
• Maintain a minimum distance of 1–1.5 meters from others and avoid prolonged stays in enclosed spaces.
• Avoid close contact with children and pregnant women for 21 days.
• After discharge, you may travel home by private vehicle; however, the use of public transportation is prohibited for 10 days.
• Upon discharge, the physician will provide official documentation confirming receipt of radiation therapy, which may be required when crossing borders.