S. I was in a similar situation awhile back. Fortunately I had a great doctor who gave me a list of natural remedies to try. Bad news is I don't have the list anymore because none of them worked for me. The good news is that once I tried those and they didn't work, he prescribed a natural thyroid medication called Armour thyroid. If you get to the point of "NO other way to go" you should try Armour, I breastfed both my boys while taking it with no problems. They have a website at http://www.armourthyroid.com/ This medication is a natural product (you still need a prescription) not a synthetic compound. The other great thing is that Armour thyroid provides supplementation for both the T3 & T4 thyroid hormones. The synthetic compounds do not. Some doctors will not prescribe Armour thyroid I am not sure why, it has worked really great for me and a lot of others that I know. I think the website has a list of drs that are familiar with Armour thyroid that you could try. I would refer you to my doctor but unfortunately he is not practicing any longer :( Hope this helps, good luck! T.