Can i die if i do not take my synthroid medication

i was born without a thyroid and haven't been taking my synthroid medication. what can happen if i do not take them??

You sure can die. Google "myxedema coma" and see what you can learn.

Here is some info about untreated hypothyroidism.
http://www.endocrineweb.com/conditions/h…

I'd imagine that you'd feel awful without the Synthroid. Take your medications, so you don't end up in the hospital with serious problems.