(1) Eat an iodine-free diet one month in advance: Do not eat high-iodine foods, such as seaweed, kelp, seaweed and other seafood, as well as egg yolk (edible protein), milk, bacon, iodized salt (not iodized salt) and so on.
(2) Stop using Perrin about 3 weeks in advance: If you are taking calcium tablets, antihypertensive drugs or hypoglycemic drugs, you should take them as usual according to the doctor's advice. Do not stop using calcium tablets, antihypertensive drugs or hypoglycemic drugs. Just stop Eupatorium adenophorum.
(3) Bring something: prepare some sour sugar or chewing gum to promote saliva secretion and prevent oral gland damage caused by radiation. Prepare daily necessities for about 5-7 days. After taking iodine, you need to be isolated in the hospital for a period of time, and prepare items to kill time.
I am Jony J, I hope my answer can help you! (*^__^*)