How can I prevent goiter or hypothyroidism if I have an iodine allergy?

What is the possibility of getting goiter in 4 years old child ?

Can a goiter grow back after being removed?

How can I tell if I am growing a goiter?

What kind of treatment can I get for a Goiter when I am allergic to iodine and donot want surgery?

What is the relationship of iodine and goiter in hyper/hypthyroism?