Yes, people can do just fine on synthroid or levothyroxine, but I was speaking from my own experience. A lot of times people need both T3 and T4 and that was my issue and got rid of my palpitations. I was simply offering advice because I have dealt with the same issue. All final decisions are something that have to be worked out between the patient and physician.
Links to that website are not allowed on MH, since it's a competing website. People can do just fine on synthroid or levothyroxine; the problem could very well be caused by the phentermine.
Eli68 - you should try to get new thyroid blood work done, to determine if your medication dosage is too high, or if the palps and anxiety could be from the phentermine. When you get them, you can post the results and reference ranges here for us to further evaluate.
You should bring this to the attention of your physician immediately. He wilol probably suggest a change in medications.
I see it starred the website I listed. There is a book called stop the thyroid madness and a webpage by the same name that has a lot of info.
yes, I was taking levothyroxine and had the same issues. I switched to dessicated thyroid (thyroid NP or Armour) and have not had the problem since. Google them and you will find a lot of info or check out *************************....good luck!