i read that your heart beat can slow down or go fast and then gradully slow down and you can be in a coma but this is when you are not on medication!
The regular price of thyroid medication is very inexpensive. Top is $27. There are coupons available.
You need you meds.
Yes, it could cause serious health problems. Contact your pharmacy or one of the programs that help people who can't afford their meds (Rxassist; needymeds.com; myrxadvocate.com; or even your local health department). There are also major chain stores (WalMart for one) who offer generic medications for as low as $4 or $5 - not sure if thyroid replacement meds are on their list or not.