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Two-Week Hypothyroid Regimen

This information describes your two-week hypothyroid regimen.

Six weeks before day 1 start taking your thyroid medication (levothyroxine) every other day (instead of every day).

Two weeks before day 1 stop taking your thyroid medication (levothyroxine).

One week before day 1 start a low iodine diet. Drink at least 8 (eight ounce) glasses of decaffeinated fluid every day. Drinks should include water and other beverages in the low iodine diet guidelines.

Three days before day 1 you will need to go for blood work.

The first week you will have blood work and scans and then receive your treatment. During the second week, you will have a post-treatment scan. The schedule generally looks like this:

Week 1

May start Monday-Thursday

Day 1

(2 to 3 hours)

Blood work

Diagnostic dose of radioactive iodine

Day 2

(30 to 60 minutes)

Scan

Treatment dose of radioactive iodine

If you are admitted for treatment,
you will be discharged from the hospital when your level of radioactivity is low enough based on regulatory requirements.

If you are not admitted, you will be given instructions.

Week 2

Approximately one week after your treatment, a post-treatment scan will be done. This will be arranged by a staff member from Nuclear Medicine before you leave the hospital.

Women will have blood drawn before treatment to ensure they are not pregnant. This is a hospital requirement for treatment.

Notes

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